In a small town near Dublin, the Spane family was attacked near the sea, in a semi-built, semi-inhabited residential area. Two detectives have to investigate the crime: Michael Kennedy, one of the best in the murder department, and newcomer Richie Curran. It is known that this investigation has the highest priority. At first glance, the matter is simple: a man killed his children and tried to kill his wife, and then committed suicide. However, the details - no traces of burglary, holes in the walls, many video cameras and mobile devices, as if the family was waiting for someone - indicate otherwise...