Officer Kate Benson is rescued from a monster by the mysterious Nick O'Malley...
Special Unit 2
Season 1 Episode 1: The Brothers
Officer Kate Benson is rescued from a monster by the mysterious Nick O'Malley, who asks her to join his Special Unit 2, a top secret section of the Chicago P.D. tasked to control, detain, or exterminate mythological creatures aka 'Links.'