On the eve of her wedding on Wangerooge, the bride disappears without a trace. Two days later, her body is found, bound with cable ties at the dune crossing. Did the versatile equestrian and successful manager of a large detective agency dig too deep into the life of a top politician? Or did a competitor not want to give her a spot on the Olympic equestrian team? Oda Wagner and Christine Cordes are sent to Wangerooge to uncover the truth. But when another person dies, the stakes are completely reshuffled.