Ted Kramer is a career man for whom his work comes before his family. His wife Joanna cannot take this anymore, so she decides to leave him. Ted is now faced with the tasks of housekeeping and taking care of himself and their young son Billy.
When God appears to an assistant grocery manager as a good natured old man, the Almighty selects him as his messenger for the modern world.
God appears before 11-year-old Tracy Richards to ask for her help to spread his word and influence over the world which she suggests the slogan 'Think God.' Naturaly, Tracy's divorced parents think Tracy's crazy, and plot to halt her 'heaven-sent' mission to spread God's word.
