A woman arrives at the station covered in blood and claiming that she has killed someone – but she cannot remember who or why., A traumatised, blood-covered woman arrives at the station, claiming she killed someone but forgetting the identity of the victim. Elsewhere, the team mourns the loss of a friend and colleague., A traumatized, blood-covered woman arrives at the station, claiming she killed someone but forgetting the identity of the victim. Elsewhere, the team mourns the loss of a friend and colleague.