The daughter, an aspiring actress turned insurance planner, dreams of running a café with her mother in their hometown of Jeju Island. As they contemplate signing up for dementia insurance for her mother, who is beginning to show signs of the condition, an unexpected delivery from the past arrives, prompting her mother to embark on a journey back in time to meet with old friends. While the daughter envisions the future, her mother yearns for the past. Their warm familial bond in facing and overcoming dementia, alongside the unconventional idea of time travel as an escape from its difficulties and pain, make for a compelling narrative.