比利是一名警察，為了將功贖罪而自願參加臥底行動，他潛入青銅幫並成功成為幫派老大的得力助手。後來，幫派老大要比利綁架「三合會」老大的女兒，當作交易談判的籌碼，同時比利也得知女友懷孕。為了順利完成任務並回到女友身邊，比利必須在警方展開行動前，帶老大女兒安全逃離。然而比利的身分終究被識破，面對黑幫的眾多打手，比利能夠一一撂倒他們，成功逃出重重包圍嗎？

On a weekend getaway at a rundown cabin in the woods, Jason, a cautious teen, his crude best friend Colin and his fearless older sister Summer are forced to work together, grow up and save their hard partying parents from their predatory neighbour (Lauren Holly) who is intent on feeding them all to her undead family…