Watch 123Movies. ‘Sink’ tells the story of Rachel, a Mozambican domestic worker based in Johannesburg, who is forced to make a devastating choice after her daughter drowns whilst under the care of her employer; return to poverty stricken Mozambique or continue working for the family responsible for the death of her child so she can support her extended family back home. The story is a haunting exploration of motherhood, loss and the walls that separate people.