Nina Wenzel used to be an undercover agent. After her sister's death five years ago Nina gets child custody of the three orphans and quits her dangerous job. In her new family-life she manages to retain some of her skills. When Wolf Geiger, the last person Nina imprisoned, escapes, Nina's old skills are needed again.

The quirky bestselling author Paul Legert suspects that his lost novel has been published by a competitor. In order to convict him of plagiarism, Legert has to find the impostor in Ibiza and force him to confess. There he is soon confronted not only with the publisher's assistant Hanna Weiler, but also with ideas that turn his world view upside down.