A Boston police officer goes to Nantucket to investigate the murder of his partner, but he finds more than he bargained for.

While tending to a stabbing victim, Kaitlyn is electrocuted and awakens to find that she is experiencing the memories of the now-deceased woman.

Unlike their heroic counterparts on the force, desk-bound NYPD detectives Gamble and Hoitz garner no headlines as they work day to day. When a seemingly minor case turns out to…