The letters are starting to cause a problem from SAMCRO. John Teller was murdered, and the letters show proof of who did it. So in episode 5 of season 4, Clay starts searching for the letters - but Gemma isn't going to let him get them easily.
The cops are currently putting the pressure on Juice but will he break? He'll have to decide what's worse; working for the cops are being black in the SOA. Juice decides to lift a kilo for the cops, but the missing drugs don't go unnoticed.
The slaughtered Mexicans are also coming back to haunt the group. Turns out that the police have a lead that could link the Sons of Anarchy to the killings. But who ratted? In this episode, the gang goes to see, and silence, their old friend, Georgie Caruso.
Will the gang find out about John Teller's murder?
Here's the promo for Sons of Anarchy - Episode 4: Brick