A pedestrian check turns deadly when a cop is gunned down on a midnight patrol. The attacker flees with the officer's squad car...and her weapon. The stakes are higher than ever as investigators try to capture the person who killed one of their own.

After a night at karaoke, a pretty nurse vanishes into the frigid Wisconsin winter. Security footage reveals the woman left with a mystery man in a dark jacket. What detectives uncover is the coldest of crimes and a monstrous end to a beautiful life.