After Edward LeBlanc died in a sinister car accident, his soul woke up in Luna Sully's vessel, the mistress of his brother-in-law, Evans Shawn. Trapped in Luna's body, Edward planned to rescue his sister, Stella, and take revenge on Evans with the help of his best friend, Ethan Jackman. But as they were preparing to expose Evans' crime, a darker conspiracy began to surface. Meanwhile, Edward's unfamiliarity of his new female form leads to humorous mishaps—and unexpected feelings for Ethan.