In 1955 Florida, a Korean vet has a breakdown and is incarcerated in a "maximum security" mental health prison, where patients are abused.

Four kids find out that a a ghost has been haunting the nearby forest. The most inventive one of them invents a contraption that will help them capture the restless ghost and thus the Ghost Club is started. One day, one of the kids finds out that her mother may lose the family business to an evil businessman, so the Ghost Club sets out to rectify the situation.