The Abyss Boys (2009)

Set in the slums of a small fishing community on the southern coast of South Africa, the drowning depths of illegal abalone poaching has become a dangerous life that Jimmy, a legendary ex diver, has to escape from. Wanting to save AB, his rebellious young brother from Gonyama, the violent gangster who AB admires, Jimmy devises a plan to give him and AB a new beginning and a new life. But on a stormy winters day when Jimmy gets his chance to escape, nothing can prepare him for what happens.