Grace has no time to rest on her day off. She tries to delve into her past but ends up capturing someone from the FBI's Most Wanted List and is hailed as a hero.
Grace is called to the crime scene where there is blood everywhere but no body.
At a party at Louie's, a soon-to-be-retired OCPD employee has his throat cut in the men's room, just outside the stall where Grace and Ham are having a make-out session.
When a mother of two vanishes, clues point to a teen girl and her druggie boyfriend as suspects. Elsewhere, Grace's young nephew joins a police program and corners Ham about his romantic dalliances with Grace; and Butch is hounded by a possible stalker who is connected to the department.
The door to Grace’s Porsche gets knocked off when a drunk driver slams into it, the impact letting loose thousands of dollars in cash that had been hidden by a previous owner.
The squad investigates the brutal murder of a woman and the abduction of her son, a case that has everyone on edge. They work frantically around the clock to locate the boy before any harm comes to him. When they finally find him, it’s everything they can do to keep their passionate feelings about the case in check. Ham has an especially difficult time controlling himself as he continues to struggle with his personal loss.
The death of a young Mexican woman, who is dropped off at the hospital by a known white supremacist, has political implications that could derail a legislative vote on illegal immigration. Bobby goes undercover, which takes the entire squad – and his own wife and family – by surprise. And Ham continues to struggle with a family tragedy.