Under Wraps is a comedy family movie about three friends who accidentally awaken a 3,000-year-old mummy on Halloween night. They embark on a hilarious adventure to help the mummy find his long-lost love while trying to keep him hidden from their parents and the authorities. With the help of an ancient amulet, the kids and the mummy navigate through a haunted house attraction, a school carnival, and a Halloween party, encountering spooky creatures and making new friends along the way.

Amy, Gilbert, and Marshall are helping Amy's father prepare for his Halloween-themed wedding when they stumble upon the awakening of an evil mummy. Now, they must protect Amy's family from the mummy's vengeful wrath.