On a trip to Dublin to celebrate St. Patrick's Day, four friends agree to spend the night in an abandoned tavern, where they are stalked by an undead killer in search of revenge for a tragedy that occurred centuries before.

一个卷入邪恶血液交易的古老邪教犯了一个致命的错误，绑架了一名有着暴力、令人震惊的过去的年轻女子。