Ray Donovan is the man called in to solve the most difficult problems for LA's rich and powerful. The only problems he can't fix are those involving his damaged South Boston family. Ray's life is thrown into turmoil when his father Mickey unexpectedly gets out of prison five years early and arrives in LA, vowing to take revenge on Ray for framing him.

Ray activates a plan to send Mickey back to prison. Meanwhile, Abby defies Ray and spends the day with Mickey and the kids. Ray handles two crises involving movie star clients: A-list actor Sean Walker receives a threatening message at home and action hero Tommy Wheeler is blackmailed with a sex video.

Ray forbids Bridget from seeing Marvin, but she visits him anyway. Meanwhile, Ray flies to Boston to search for Sully; Abby and Deb commiserate over drinks and get themselves into trouble; and Mickey manipulates Sean into working with him on a movie project.

Avi drives Sully from Boston to Los Angeles. Conor wants to go to an awards show with Tommy Wheeler. Mickey works with Van to get incriminating evidence against Sean Walker.

Ray and the family attend fight night at Terry's club. Meanwhile, Ray's plan with Sully is put into action. Mickey has a rendezvous. Bunchy encounters someone from his past, sending him into a tailspin.