The team investigate the murder of a young model at an expensive rehab center and Lisbon continues looking into Tom Volker's activities.
Major Crimes may have a tough time closing its next case because of the repeated leaking of confidential information, whose source they are having difficulty figuring out. Captain Raydor's decision to be the temporary guardian of Rusty gets more complicated as Children and Family Services finds out some information that may cause Rusty to be removed from her home.moreless
Captain Raydor is appointed head Major Crimes and may regret deciding to watch over Rusty, the foster kid and witness, as her regular duties increase. The team may have difficulty in solving a brutal homicide because the evidence surrounding the crime proves to be complicated and difficult to untangle. Meanwhile, Lt. Provenza regrets joining Major Crimes because of the many changes within the department and Captain Raydor may have trouble convincing him to stay.moreless
Walter's dying father asks him to find his first love, Walter's mother. This time there are obstacles that Walter may not be able to overcome. Uncle Shadrack is forcing Willa to marry Timo.moreless
Renzo's mom joins the Degenerates to watch their horse in his biggest race yet and two prized colts go head-to-head in a million-dollar showdown. Meanwhile, Ace receives an unexpected visitor.
Castle and Beckett investigate the murder of a bike messenger and the past of a prominent family figures into the investigation.