In an underground facility, five scientists wake from cryosleep with no memory of who they are or how long they've been asleep. They soon make a shocking realization: a killer is hunting them down there, and may even be hiding among them.

曾為一家之主的爺爺，在家裡的地位越來越卑微，甚至感到家人無視於他的存在，所以他想出一個能夠喚起關注的妙招：假裝失憶。此舉雖然成功引起關注，卻也讓他陷入一個更大的難關：家人決定宣告他無行為能力，以接管他的所有財產，幸好還有小孫子帶他一起溜滑板，令他開啟如同滑板的人生，溜出全新的自我！