Crushed by the death of his fiancée, a writer adopts a 6-year-old boy in a desperate effort to create a family. The boy, who wants a father badly, is troubled by the idea that he may be an alien from Mars. Starring Golden Globe-nominee John Cusack ("America's Sweethearts," "High Fidelity"), Amanda Peet ("Something's Gotta Give," "The Whole Nine Yards"), Academy Award and Golden Globe-nominee Joan Cusack ("In & Out," "Working Girl"), Academy Award and Golden Globe-nominee Sophie Okonedo ("Hotel Rwanda," TV's "Tsunami: The Aftermath") and Golden Globe and Emmy Award-nominee Oliver Platt ("A Time to Kill," TV's "Huff").