The Killing season 4

The events which occurred in the previous investigation now have certain aftermath and Sarah and Stephen has to deal with it. Skinner (their boss and Sarah’s lover) was revealed as a serial killer. He is dead now, killed by Sarah herself and Holder makes a plan how to cover them both. Meanwhile both two detectives has to investigate another case - the whole family was murdered and only a son survived. His name is Kyle Stansbury and he is believed to be the murderer of his own family. But when the superintendent of the academy Kyle studies in is questioned about him she insists the student is incapable of violence. Some great and unexpected news appear in Holder’s personal life.