Frieda Lockner has a secret: she hears echoes of the dead. Caught in the tension between her personal misgivings and this psychic ability, she seeks redemption by using her 'gift' to help Kriminalkommissar Tobias Schluter solve the most brutal crimes. But with a serial killer known as The Stick Man haunting nighttime Münster, Frieda must face her darkest fears. And on top of everything, she has a poltergeist wreaking havoc at home.