It is Araminta Spookie's birthday, and she is ready to celebrate! When her Aunt Tabby wins a surprise holiday to Transylvania, all the adults pack their bags and leave Araminta and her best friend Wanda behind. At first, the girls think they are going to have the ultimate birthday party all by themselves. But their plans are ruined when Araminta's grown-up cousin Mathilda arrives to babysit. To make matters worse, Mathilda brings along two incredibly rowdy teenage ghosts who immediately start wreaking havoc all over Spookie House. What starts as a dream of staying up late, playing loud music, and ordering takeout quickly turns into a nightmare of cleaning up after a pair of messy poltergeists. Realizing that being home alone is not as fun as it sounds, Araminta and Wanda decide they need a serious plan. They have to figure out how to outsmart their ghostly houseguests and take back control of the house. Get ready for a hilarious, spooky adventure as Araminta fights to save her birthday from total disaster!