Sin Sisters (2003)

After a tragic accident claims the life of a classmate, sisters Misty and Chelsea Mundae find themselves in a frantic race to conceal the evidence. Their desperate attempt leads them to a secluded cabin in the hills, where they meet Juli, a mysterious figure who challenges their bond and tests their loyalty. Tensions rise as secrets unravel, forcing the sisters to confront their choices and each other in a gripping tale of survival and moral ambiguity.