Lies in Plain Sight (2010) on Netflix

The story of Eva and her blind cousin Sofia (Martha Higareda), who were inseparable as children, with Eva the loyal companion who helped Sofia through her tough adolescent years. When Eva suddenly commits suicide, Sofia rushes home to her father, Hector (Benito Martinez), and Eva's parents, Marisol (Rosie Perez) and Rafael (Yul Vásquez), to find answers. But the more she delves into Eva's life, questioning her past boyfriend's Ethan (Chad Michael Murray) and Christian (Christoph Sanders), the more Sofia realizes that their childhood was actually filled with dark, disturbing secrets.