Three friends - Az, Alex and Jim - head to Ibiza for their first lad's holidayseason. Unfortunately, tagging is Alex's unimpressed ex girlfriend Ellie. The lads ditch head to San Antonio, and also her friend Zara, and Ellie using Alex's sister Liz to begin out their week of sea sun and debauchery. Where the appeals aren't all living, soon they wind up in a bar , run by gangster Karl - they are zombies! Due to the drunken antics of Jim the zombies escape, and soon all hell breaks loose no one on the party island is still safe.