Coral (Regina Orozco) is a lonely nurse who is desperate for love. She finds it in Nicolas (Daniel Giménez Cacho), a mysterious drifter who is known for using women to get what he wants. Nicolas doesn't love Coral, but he happily lets her think he does so he can use her as part of his con. Working together, the two travel the country, finding lonely, rich women for Nicolas to seduce, rob and eventually murder. The film is based on the shocking true story of "The Lonely Hearts Killers."