When a neighbour's house burns down, the gang immediately roll up their sleeves to help out. However, even their best-intentioned plans don't run smoothly.
Max and Caroline remain hopeful that Martha Stewart will support them with their business venture. When her lucky pearl necklace breaks, Caroline worries that they will be cursed with bad luck.
A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Meanwhile, Reid ponders if he should be doing more with his genius abilities.
Samcro uses a charity motorcycle ride as cover for a gun-running trip. Gemma comes face-to-face with her rapist.
Susan tries to build a car for MJ's soapbox derby; Bree's attorney, Trip, asks her to come clean about her past exploits; Lynette tries to cause trouble between Tom and his girlfriend; Renee learns that Ben has a secret.