Hayes Hargrove

When a man is found murdered inside his supposedly impenetrable doomsday fallout shelter, the squad must figure out how and why he was targeted. Jane finds it difficult to focus on the case when she discovers Korsak is looking into retirement and Frankie is keeping a secret of his own.

A mysterious woman from Michael's past shows up at his loft with a plea: Help her retrieve her kidnapped son from a black market trader. Meanwhile, Michael meets with a rogue burned agent and tries to make friends before one of them gets killed.

Nina must make some hard choices after secretly reuniting with Trent; Morris calls out Phil for being glib.