A group of Halloween monsters take over summer vacation with their spooky beach antics, creating a "summerween" for the books-perfect for fans of Leprechaun vs. Easter Bunny and Turkey vs. Santa! A vampire and his monster friends are excited to have some fun in the sun-but they're thwarted by beachgoers who insist that Halloween belongs in the fall! The spooky friends do their best to turn everyone's summer festivities into a monster mash, but the feuding between fans of Halloween and fans of summertime soon reaches a boiling point. Can the groups find a way to have double the fun? A Summerween party might be the perfect solution!