Hidden Moon (2012)

The son (Wes Bentley) of a wealthy man whose funeral is disrupted by the presence of a mysterious Latin American woman (Ana Serradilla), sets out to salvage his family's reputation by figuring out the exact nature of the woman's relationship with his deceased father. His search brings him all the way down to Mexico, where he's shocked to find that while uncovering her identity, he has also fallen in love with a woman who belongs to someone else.