Watch Dead in the Water

Four friends are off on an ocean excursion in an expensive yacht. All goes well until Danny finds his girlfriend Gloria, the daughter of a rich Brazilian businessman, kissing their friend Marcus. In a jealous rage, Danny throws Marcos overboard and sails to a distant island. At first, he only wants to scare him. But when Danny goes back for Marcos, he is nowhere to be found. Now the remaining three friends try to work out an alibi, all while their relationship erodes.