Jamie and Ned are twins. They do everything together: riding their bikes, beachcombing outside their house, watching their favourite episodes of Star Trek. But Ned is sick, and one day, he may leave Jamie behind. When they discover a strange creature on the beach, Ned wants one more adventure and decides to keep him secretly in their garage.
But Jamie begins to hope that the creature might bring some miracle, and stop his brother from going where he can no longer follow . . .