A murder investigation becomes personal for Lisbon when she learns that her underachieving younger brother, Jimmy, is being sought as a key witness. Rob Belushi and Derek Phillips guest star as Lisbon's brothers, Jimmy and Stan.
Sam struggles to take care of his sister; Sheldon finds out that Amelia has life-altering news; Addison and Jake continue to flirt.
When a Spanish club promoter is found dead, Mac must battle with the head of Barcelona's crime lab to solve the case. (TV-14)
Callen goes undercover at a hospital to find an NSA agent who vanished while tracking an ISIS cell.
When the body of an American singer is found on a rural road in the Blue Mountains of Jamaica, the International Response Team is called to investigate.
