Four friends. A house full of secrets. And a killer picking them off one by one... She tried to break her fall, twisting desperately, but there was nothing to catch hold of, nothing with which she could stop herself. Her single scream cut through the night air. Keira North falls to her death at a party. It initially seems like an accident, but Detectives Alex King and Chloe Lane suspect foul play: they are convinced they are dealing with a murder. When the detectives start to investigate, they soon find that all of Keira's closest friends have secrets that someone might kill to keep. And as Alex and Chloe are fighting their own demons and struggling to stay on top of the case, Keira’s killer is circling the group of friends, who one by one find that their lives are in danger… sakriti opis