High school sweetheart Matilda wants to succeed in school and have a social life, and wishes she could have as much fun as the popular students. But how do you do that? When she finds a mysterious website that offers clones, she tries it out for fun. To her horror, a real clone appears. Suddenly, Matilda has to deal with a doppelganger who takes over her life – for better or worse. Can Matilda keep her secret for 30 days?