On Halloween, a teenage boy who is grounded and forced to baby-sit his brother and sister discovers, along with his siblings, that his house is haunted.On Halloween, a teenage boy who is grounded and forced to baby-sit his brother and sister discovers, along with his siblings, that his house is haunted.On Halloween, a teenage boy who is grounded and forced to baby-sit his brother and sister discovers, along with his siblings, that his house is haunted.