Detective Nick Armstrong is unsettled when a murder victim found in an alley turns out to be his doppelganger. As he and his partner, Greg Cooper, set out to investigate, they find that each clue they follow creates more questions than answers and the victim's identity remains a mystery.

The investigation leads them to a secretive research facility, a scientist who is either a genius or crazy, and an invention that quickly becomes the center of everything.

While a criminal organization targets the detectives to get their hands on the invention a mysterious woman in black appears with an agenda of her own. Nick must put the pieces of the puzzle together and save the day, just in the NICK OF TIME.