Michael Silver is pushing thirty, about to get married to his pregnant girlfriend, and slowly relapsing into a heroin addiction. One day at work, Michael is suddenly kidnapped by his friends and taken into the woods for a surprise bachelor party. At first, everything seems fine, but right as Michael's heroin withdrawals begin to kick in, one of his friends turns up dead in the middle of the night. Attempting to escape the woods and find help, the remaining group is forced into a desperate game of survival.