The story is connected by a mysterious grocery store, which seems to sell strange groceries. There is a charming and beautiful landlady and a lazy and strange cat in the storeNo one knows her age, legend has it that she has a face that is forever 20 years old. Three young people with different identities encountered difficulties and difficulties in their lives, and when they had no way out, they walked into this grocery store separatelyWith the help of the landlady, she gained magical abilities and changed her fate. However, while suddenly using external forces to change her fate, a series of hilarious stories happened... The film is divided intoThe three parts of the clues are narrated separately, with a compact structure and plot arrangement, multiple scenes and characters, a lively rhythm, and a positive and optimistic theme.