Perfect addiction

"When Sienna Lane walks in on her boyfriend Jax Deneris in bed with her sister, her world falls apart. In less than five minutes, she's homeless, friendless, family-less. Vowing to get back at Jax, Sienna quickly charts a course of revenge that will hit him where it hurts most -- in the MMA ring. Step one: convince Jax's rival, Kayden Williams, to train with her. At first, Kayden wants nothing to do with Sienna's schemes, but when he figures out...