Once upon a time, a miller attempted to marry his daughter off to the King by promising she could spin straw into gold. With the help of a demonic imp, she completes the task, but the King becomes greedy and wants more. So, she promises the imp her firstborn in return for yet more favours. But when it comes time to honour her bargain, dark forces merge when the Imp makes a deal with the devil.

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.

The sole survivor of a blood-drenched massacre must team up with a rag-tag bunch of rookie cops and lawbreakers to defend a police station from an invasion of monsters from another dimension.

2023 film