The film is about a couple, Cindy and Jim Green, who after being told they are unable to conceive, dream up their ideal child. They write the child's characteristics on pieces of paper; place the notes inside a box and then bury it in their backyard. After a stormy night, a 10-year-old kid arrives at their doorstep, claiming he's their child. Soon they realize that the kid is actually a plant. See en.wikipedia.org/wiki/The_Odd_Life_of_Timothy_Green for details.