Young Bennett Bramble ignores his sister when she says she's scared of the ghosts in her closet. Shortly thereafter, he gets a visit from his 61-year old self who has invented time-travel through the mind. He's there to help Bennett become a better person so he won't be alone in the future, but when he motivates Young Bennett to build a fear-free helmet out of Sophie's bicycle helmet, he ends up turning her into a stunt woman who wants to be a superhero. Can Bennett turn off the helmet before Sophie ends up hurting herself?