"In 1928, aboard the Cap Polonio -- a lavish transatlantic cruise ship bound for Buenos Aires -- Max Costa locks eyes with Mecha Inzunza across the first-class ballroom. They are an unlikely match. He is a thief, sleek and refined, hired to dance with unaccompanied passengers. She is the elegant wife of an accomplished composer, accustomed only to the luxuries of the elite. But as they embrace in a fiery tango, a steamy and dangerous love affair ignites...