Curt and Robin Faraldi are adoptive siblings. Robin is from another city, but Curt is from another planet. As a teen, despondent Curt vows to find his real home. His wishes come true when the Faraldi house begins exchanging with a building on Curt's original world. Trapped between planets, Curt and Robin must find a path to normalcy or the final exchange will be their life for the afterlife.