While taking out the trash at Rob's Burgers, Gerry, an orphaned young man who was hired by a friend of his late mother's, comes across a creature, weakened and dying in a dumpster. After it demanded to be told about someone Gerry loved, it seemed to regain some strength. It called itself a Changeling, a creature from some foreign world that can change it's shape. It asks to be taken in to Gerry's home, and Gerry, feeling pity for the creature that was dying merely moments earlier, obliges and together, the two live in Gerry's empty home, inherited from his mother. Little did Gerry know, the Changeling was not the sweet and humble thing it seemed to be; Diver, named after his escapade in the dumpster after refusing to reveal it's true name, loved to pull pranks and misfortune Gerry in many ways, ranging from turning into other creatures to frighten him to pestering Gerry, obnoxiously mocking him or making loud noises at night. One night, several months later, Diver enters Gerry's room, with a strange request...