Season 2

While investigating a string of unsettling murders, Nick uncovers an ancient evil from his past fueling the crimes. LaCroix, his former vampire master, has returned to the city in pursuit of Nick, his once-taught pupil. The killings, coldly orchestrated by LaCroix, threaten to unravel Nick's dark secret when he is arrested as the prime suspect. With the aid of his partner, Don Schanke, and the department pathologist, Natalie Lambert, the only mortal who knows his true identity, Knight escapes. Now an outlaw, he must track down the killer and locate LaCroix before he is forced to relinquish his dream of regaining his mortality.