The group plans to stay in the cabin while Mia overcomes her addiction to heroin .
David and his girlfriend Natalie arrive at a cabin in the woods , where the pair meet up with his younger sister Mia and his friends Eric and Olivia .
The group plans to stay in the cabin while Mia overcomes sister 's addiction to heroin .
David and his girlfriend Natalie arrive at a cabin in the woods , where the pair meet up with his younger sister Mia and his friends Eric and Olivia .