Austin and his friends are reunited in a sordid bachelor party kidnapping that involves a secret from everyone's past that will come to light on this deadly Party Bus ride. Austin and his friends are reunited in a sordid bachelor party kidnapping that involves a secret from everyone's past that will come to light on this deadly Party Bus ride. Austin and his friends are reunited in a sordid bachelor party kidnapping that involves a secret from everyone's past that will come to light on this deadly Party Bus ride. Austin and his friends are reunited in a sordid bachelor party kidnapping that involves a secret from everyone's past that will come to light on this deadly Party Bus ride.