A modern adaptation of Leo Tolstoy's classic novel Anna Karenina set in contemporary Mexico. Ana Montes de Oca (Kate del Castillo) is an Olympic gold medalist diver and national heroine. She appears to have a stable life, married to Jandro (Rubén Zamora), a former athlete turned politician who is aiming for high office. Ana's world unravels when she meets Vico (Maxi Iglesias), a young musician. The two ignite a passionate extramarital affair that quickly evolves into an obsession. As their public relationship breaks social taboos and threatens Jandro's political ambitions, Ana faces intense societal rejection and personal loss while trying to navigate her desires and independence.