Prosecutor Judith Schrader suffers a setback at the regional court: her key witness fails to appear. As a result, the chances that Michele Del Piero, the alleged drug dealer and member of the Calabrian 'Ndrangheta, will be convicted plummet. With four days left until his release from custody, Judith Schrader and the lead police investigator, Chief Inspector Jochen Montag, must find new evidence.