After a botched operation, Mick is demoted and sent out onto the streets as a patrol officer. But Andreas is also having problems in his new job at the State Criminal Police Office. His colleagues don't accept him, and his boss Koller believes Andreas is trying to blackmail him. But Andreas has no idea what with. Then Mick finds Koller's body—apparently a suicide. Andreas is convinced that this death is related to the alleged blackmail. What secret did the boss have?