Dylan (Johnny Flynn) is a 20-year-old romantic who, looking for love, met with many women, entering into intimate relationships with them. One day he learns that he has a venereal disease called chlamydia. He must inform his sexual partners about the diagnosis. The situation is quite complicated when the Dylan returns to the moment when he tries to find a given person in a relationship he would rather forget about that. His friends Eva (Antonia Thomas) and Luck (Daniel Ings) come to help him.