Bosch continues to investigate his mother's cold case, months after finding a new lead. Meanwhile, the city grows tense following the murder of a high-profile lawyer.
Catherine's frustration intensifies when a lead suspect in Grace's disappearance is found murdered; the team exhausts all their skills to figure out who killed the suspect, and if his death will lead them to Grace.
The team searches for a link between the seemingly unconnected victims of a lone gunman targeting women. Luca assists with a homicide investigation in his neighbourhood and Lynch pushes Chris to do a news interview.
The family is dismayed when John tries to make himself look younger; an over-the-top birthday party and overachieving parents make Jen and Greg worry about getting Lark into a good preschool; Matt meets Colleen's mother.
The daughter of a notorious counterfeiter rocks up in LA, meaning Sam must go undercover as a financier.