Gwen has just discovered, that she's the final member of the secret time-traveling Circle of Twelve. Now she has to juggle with constant trips to the past, her relationships with Gideon and figuring out dark secrets surrounding the Circle.

Polizeiruf 110 is a long-running German language detective television series. The first episode was broadcast 27 June 1971 in the German Democratic Republic, and after the dissolution of Fernsehen der DDR the series was picked up by ARD. It was originally created as a counterpart to the West German series Tatort, and quickly became a public favorite.