After his parents are killed in a mafia hit, young Thomas Aprea (Henry Cavill) is raised in New York before being sent to Italy for his protection under the care of a former mobster, Nicola (Joe Mantegna). While living in Venice, Thomas learns secrets about his family's past and becomes increasingly fixated on Nicola's alluring, mysterious wife, Thelma (Emmanuelle Seigner), leading to an intense domestic power struggle.