Officer Nolan and Officer Chen search for a missing person who may have international ties that puts everyone's lives in danger. Meanwhile, Harper continues the search for a serial arsonist after responding to a report of an injured cyclist. Elsewhere, Wesley must overcome an impossible task.

Officer Nolan and team are on a hunt to retrieve a buried stash of gold before any treasure seekers get hurt. Meanwhile, Bradford is tasked with encouraging the oldest cop at the station to retire and invites him to ride with him.