Frank works to vindicate a detective accused of using excessive force; Danny and Baez track down the killer responsible for the death of a rapper's bodyguard; Jamie is sceptical about a relationship between Espinoza and a rookie officer.
After Platt gets physically assaulted while getting into her car, she gets rushed to Chicago Med where Mouch gets questioned; Antonio and the team search for previous threats against Platt.
When an expert in rocket engines is killed, Eric goes undercover to ensure the classified technology, used to build satellites, is kept safe.
An NSA analyst who predicted a security breach works with the team after the Secretary of Navy is bugged during a confidential briefing.
An Officer Down call turns out to be a male stripper dressed like a cop. Castle and Beckett explore the world of male strip clubs and struggling actors.
