A series of murders in Modesto, California, catches the attention of the BAU. The killer seems to choose in victims based on their proximity to the railway.
When the young daughter of a prominent family is assaulted at a carnival, the Sons of Anarchy take the law into their own hands.
Rebecca tells her children that she is losing her memory. She clings to the little things that made her life what it was. Randall goes deeper into the search for his origins. Kate and Toby break up and Kevin's business flourishes.
In 1990 a little boy inexplicably disappeared from his crowded school playground and was never seen again, that is until now, ten years later, and he hasn't aged a day since.