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.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. 详情