The charismatic and self-confident man, Karel Král, is the editor-in-chief of men's magazine. Although a chauvinistic type, he is very popular with women. However, he struggles in his personal life. He frequently argues with his ex-wife over their 17 year-old daughter Julie, who despises his new way of life. Then the consequences of his behavior catch up with him. He loses his job, and the editor-in-chief position is given to a young and beautiful woman. But his bad luck does not end there. After another fight with his ex-wife and daughter, and a woman driver crashing into his car, Karel and his best friend Cestmír have an evening of binge drinking. During the wild night, he expresses a wish to be a woman. When he wakes up the next morning he discovers that his wish has been granted.

When London-based immigration officer Petr Miller receives a startling call from Prague informing him that the woman who listed him as guardian after her accident has given birth to his daughter, eight-year-old Ema, he’s forced to confront the possibility he’s an unwitting father. Reluctant to abandon his solitary life, Petr nevertheless travels to Prague to care for Ema and soon discovers that raising a child will turn his world and his heart completely upside down.