Plot: The story centers on successful boxing trainer Sienna Lane, who discovers that her boyfriend Jax, the 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
Alternative Plot: MMA trainer Sienna thinks that she and champion boyfriend Jax are the perfect team. That is, until the day she discovers him cheating on her with her own sister. Bent on revenge, Sienna starts training the one man capable of dethroning Jax: his arch-nemesis Kayden. What begins as payback quickly turns into something much more heated as boundaries are blurred and workouts get steamy. Based on the wildly popular novel by Claudia Tan.
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