In a rest home for elderly people, a daughter reads her mother's diary. Soon events that are mentioned in the mother's diary begin to happen to the daughter.
The story is said to follow a pair of loner college undergrads, Jack and Montgomery, who order a take-out pie, but accidentally take a homemade drug that turns a two-floor journey downstairs into a “mind-bendingly transformative quest.”
On the verge of losing everything, veteran sprinter Gu Young is getting one last opportunity at redemption, including a chance to re-kindle the love of his life.