The Personality Plant is in the process of creating robots that are programmed with fabricated memories of actual people. A particular robot, Suzu, is being crafted to replace a deceased young boy. Through unexpected circumstances, Suzu crosses paths with Hotori, a girl grappling with a progressive type of memory loss. Despite their different circumstances, the two youngsters bond closely and collaborate to comprehend their fluctuating recollections and shape their unique selves.