Former librarian Ole had to get a job as a waitress in a cafe due to lack of money. Gradually she got used to the new job, she even had a fan - a regular visitor, a handsome young man. Therefore, Olya did not have even a shadow of a doubt when one rainy evening the guy offered her a ride... Olya woke up tied up in his house, and her admirer’s intentions were clearly far from romantic. No one knew where she was, and there was nothing to hope for, but salvation still came - a mysterious stranger burst into the apartment, killed the kidnapper with one blow and freed the girl. Olya’s gratitude knew no bounds; for the sake of her new acquaintance, Sergei, she was ready to do anything. Only after some time did she suspect something was wrong - the affairs that Sergei was involved in turned out to be too dark and incomprehensible, and she clearly could not stay away...