Helena Fontana has a heart condition that claims her life after observing a scene between her husband Luis Miguel and her sister Grazzia at their wedding. Meanwhile, Valentina, a female boxer who takes part in illegal fights for mobster Fernando Valerugo, is fatally hit on the ring. Helena's soul somehow inhabits Valentina's body, and Helena gets the change to get even with those who betrayed her. But in the process, she will unveil many secrets, including that the daughter she assumed was dead is actually alive.
—Lara Cain