Born with a rare condition that makes him age four times faster than normal, ten-year-old Jack Powell looks like a forty-year-old man. After years of homeschooling, he enters public school for the first time, eager to make friends and live like any other kid—only to discover that growing up too fast means learning some of life’s hardest lessons early.

Robin Williams' childlike energy is channeled in all the wrong places with Jack, a bizarre tragedy that aims for uplift but sinks deep into queasy schmaltz.