Rocky Marquette

Three convicts, including a brilliant hacker, escape from prison. Elsewhere, Paige tries to manage Ralph's expectations when his dad returns.

A massive earthquake rocks the city and throws everything into chaos; Russo recommends Officer Nolan for the protective detail of Brad Hayes, a man whose dealings have put a target on his head.

A petty officer is killed during Mardi Gras celebrations. Pride considers what to tell his daughter about his relationship with his father.

When a haul of weapons worth $1 million is stolen, the evidence leads the team to a charity event. Mosley takes Sam and Callen undercover as her security detail.

Maura and Jane look into an old ghost story to help them figure out a double murder at a hospital; Angela persuades Frankie to stop avoiding Kent.

Back on patrol, the rift between Harmon and Diaz comes to a head.