In small-town Texas, affable and popular mortician Bernie Tiede strikes up a friendship with Marjorie Nugent, a wealthy widow well known for her sour attitude. When she becomes controlling and abusive, Bernie goes to great lengths to remove himself from her grasp.
When a midnight scavenger hunt for a rare bud of weed brings a group of party-hungry stoners to a haunted hotel, they open a portal and unleash a group of ghastly hysterical creatures that has only one mission: party ‘till you die.
Six friends fight for survival in a small Canadian town overrun by the undead. While trapped on a nearby island, they discover they are not exactly the people they once knew in high school.