Tessa Williams is a huge Green Day fan. One night, she imagines what it would be like to live in the Armstrong family. Does she realize it's just a dream, or does her imagination turn into reality?

Juliet is a typical little girl who winds up left by her mother on her fathers (Billie) door step. After settling in an incident happens when her mother returns leaving them struggling with a new and increasingly different Juliet as she ages. Will things get quite dangerous as she progresses and how will Billie handle it all?