When the Mayans, a Latino gang led by Marcus Alvarez, steal the Sons' stockpile of weapons and burn their warehouse, SAMCRO is placed in a difficult position, as they have already taken payment for the guns from the 1-9ers, a powerful African-American gang led by Laroy Wayne. As Clay plots their revenge, Jax finds an old document written by his dead father, co-founder of the Sons, about the direction in which he wanted SAMCRO to go; nothing like the gun-running direction in which Clay has taken them. When they locate where the Mayans are hiding their weaponry, Clay calls upon Jax to bring his friend Opie back into the fold. However, Opie has recently been released from jail after refusing to testify against SAMCRO, and has promised his wife Donna he will go straight. Meanwhile, Jax's estranged-wife, Wendy, takes a drug overdose, leading to an emergency C-section and life-threatening surgery for her and Jax's son, who is ten weeks premature. Complicating matters is that the case is ... Written by Bertaut

The gang hope to be financially in the clear after their successful arms sale. But the ATF will be all over if they get linked to the warehouse arson where two Mexican immigrants were found. So the Sons exert pressure and call favors with authorities and auxiliaries, any way they can, including Jax's sexual excellence, to spy on and sabotage the investigation. Written by KGF Vissers

When the young daughter of a prominent Charming family is assaulted during a visiting carnival, Samcro races the authorities to capture the assailant. Meanwhile a new shipment of guns arrives from their IRA connection with an additional price. Tara's ex-boyfriend arrives in Charming. Written by Anonymous

The club travels to Nevada to store arms with a brother club The Devil's Tribe. When the Mayans pose a threat, Clay decides to patch-over the tribe, making them an official SOA charter. Tara's ex, ATF agent Kohn begins investigating Samcro. Written by Anonymous

Gemma hosts a town fundraiser, which brings the ex club member who was responsible for Opie's arrest back to town and into direct conflict with Jax and Opie. Clay deals with protecting a perverse parolee who can lead to a big payoff. ATF agent Kohn continues to investigate SOA. Written by Anonymous

A small favor for Pineys old war buddy turns into a big problem for SAMCRO. With Clay detained, Jax must step-up to handle the situation. Meanwhile, Gemma deals with the pangs of aging and the arrival of a familiar sweetbutt whose intentions are unclear. Written by Anonymous

When old bones are discovered on the outskirts of Charming, Clay is forced to deal with secrets he buried long ago. Meanwhile, the club sets its sights on prize money, backing Half-Sack in a bare-knuckle brawl. ATF agent Kohn's investigation turns personal when his true intentions are revealed. Written by Anonymous

Kohn is stripped of his badge, and forced to leave town by Hale and Stahl. As Tig's plan to earn enough money from the bare-knuckle competition failed to play out, and with the IRA gun payment looming, SAMCRO scrambles to come up with the cash, leading Jax and Opie on an unexpected adventure. However, when the Sons go to meet McKeavey, they encounter a surprise. As both Clay and Tig begin to question Jax's commitment to SAMCRO, Darby presents Alvarez with an opportunity; revealing details of the Sons' IRA connection. In return for the information, he asks Alvarez to kill Clay, and, in the ensuing confusion, the rest of the Sons, allowing the Mayans to take over the IRA gun pipeline, and leaving Charming open for the Nords. Alvarez, however, has his own plans. Written by Bertaut

Having saved Tara from a vengeful Kohn, Jax must dispose of the body, and keep Tara calm about the situation in which they find themselves. In retaliation for the failed assassination attempt on Clay, SAMCRO prepares for all-out war with the Mayans, summoning every Sons charter to Charming. At the same time, Filip Chibs Telford must use his limited medical knowledge to keep the seriously wounded Cameron Hayes, the Sons' new IRA contact, alive. Having survived the Mayans' assassination attempt against him as well, Darby looks to make peace with SAMCRO. Meanwhile, the Sons are tasked with avenging the murder of McKeavey, Unser has a stern warning for Clay, and Donna has an ultimatum for Opie. Written by Bertaut

By promising to sell the Mayans guns in the future, Clay has averted a war, but must now deal with the fact that ATF know about the Sons' IRA pipeline. Hale goes behind Unser's back and gives Stahl info on the recent shootings, leading to her returning to Charming. Focusing her investigation on the murdered Port Commissioner who had McKeavey killed, Stahl plans to use the provisions of the RICO Act to side-step her lack of direct evidence; under the Act, anyone who is shown to be part of an ongoing criminal organization can be arrested, and the leaders of such of an organization can be charged with crimes carried out by its members. To this end, she decides to target the women surrounding SAMCRO, pressuring those with the most to lose; Tara, Donna and Cherry. She also arrests Luann Delaney, wife of incarcerated SAMCRO member Otto, and tries to trick him into giving her information on any old crimes the Sons may have committed in an effort to get Luann out of prison; under RICO, any ... Written by Bertaut

Cameron and Cherry have been smuggled out of Charming, but the Sons are rocked when Bobby is arrested for murdering the Port Commissioner. With Jax and Opie supposedly the only witnesses, and with Opie suddenly missing, Tig becomes convinced Opie has turned on SAMCRO. Although Clay reluctantly agrees, Jax refuses to accept Opie would betray the Sons. As Abel grows stronger, Wendy returns from rehab, causing Tara some conflicting emotions, which aren't helped when Gemma decides to interfere. Written by Bertaut

With Opie and Donna reconciled, Stahl's tactics become increasingly questionable, and Hale finds himself cut off from the inner workings of the investigation. Unsure what to do with the information that Opie was set up as a rat, he receives some advice from Unser. In need of cash to fund Bobby's defense, SAMCRO find themselves in an awkward position, as most of their money is tied up in the warehouse re-build. As such, Clay decides to sell their surplus weaponry to the Mayans, leaving themselves defenseless. However, in secret, Clay alerts the 9ers to the deal, telling them if they kill the Mayans after the sale has gone down, they can keep the weapons. Wendy realizes Gemma is playing her and Tara against one another, and has a warning for Tara. However, Tara's later attempts to assert her claims over Jax backfire. Meanwhile, as Jax confides in Opie regarding his doubts about Clay's leadership and how the current state of the Sons deviates from his father's original vision, Clay and ... Written by Bertaut

In the wake of Tig's accidental killing of Donna, the Sons prepare for her funeral as Clay convinces them the 9ers were responsible for her death. With Laroy having betrayed Clay and stormed the Mayan gun sale before the money was handed over, SAMCRO find themselves in a precarious position; the 9ers have their surplus weaponry, the Mayans no longer trust them, and they have no cash. As Clay and Tig wrestle with their conscience, Stahl must come to terms with her own complicity in Donna's death. Meanwhile, Hale gets some advice from Unser about how to handle the murder. Determined to avenge the death of his daughter-in-law, Piney decides to go after the 9ers on their own territory. When the Sons get some bad news from their lawyer, Jason Rosen, they must call in every favor they can to try to find where ATF are keeping the witness against Bobby, with Clay planning to send Tig to kill her. However, Jax decides to do things another way, whether Clay likes it or not. Written by Bertaut