The protagonist of the series "A Completely Different Life," Margarita Chashchina, considers herself a happy and fulfilled woman. She has been married for two decades, raised a handsome son with her husband, and is convinced that there will be no more adventures in her life. But everything changes after an accident: her son is injured, and her frightened husband arrives at the hospital... with his lover! It turns out that he has been cheating on Rita for more than a year. The woman decides to put an end to a family that is no longer needed by anyone but herself and plunges into the whirlwind of new passions.