After their car breaks down in an eerie small town, a young couple is forced to spend the night in a remote cabin. Panic ensues as they are terrorized by three masked strangers who strike with no mercy and seemingly no motive.

A successful boxing trainer discovers that her boyfriend, a reigning champion, has been cheating on her with her own sister. She sets out to get revenge by training the one man capable of dethroning him: his arch-nemesis Kayden.