A peaceful and stable society - they have never seen it before.

Yura and Makoto married without ever being intimate. The couple have a happy life together and they move to Makoto's hometown. There, Makoto meets Shiori, who graduated from the same school as Makoto. It turns out, Shiori, who is about to get married, has been thinking of Makoto for the last 10 years. Shiori acts upon her feelings by calling Makoto and then kissing Makoto, which Yura sees ...

This film is based on the book "Welcome to Le Jardin" by Akemi Mochizuki, owner of the high-end club "Le Jardin" in Ginza, Tokyo. Based on the original story, which has been released up to three installments in the series, the film depicts the club's state at the mercy of the COVID-19 pandemic and the anxieties and conflicts of the people who work there. Maiko, who works at the high-end Ginza club "Le Jardin," remembers how Mama Akemi, the owner, helped her during her job interview. She devotes her days to working hard for Mama and the club. Then, in 2020, COVID-19 spread worldwide, and the first cases were confirmed at Le Jardin. The spread of COVID-19 led to public questioning the value of restaurants and nightlife, and Le Jardin was forced to suspend operations. Maiko, anxious about her future, is helpless and spends her days holed up in her room.

After transferring to Ishinomori Middle School, Tetsuko "Alice" Arisugawa overhears her classmates discussing a strange rumor. The previous occupant of her seat, a nondescript "Judas," is missing and presumed murdered. Amidst dealing with her mother's undesired meddling in her affairs and warding off her classmates' bullying, the troubled Alice starts to investigate the mystery surrounding Judas' disappearance. The trail of clues leads her to the house of her next-door neighbor, the quirky and reclusive Hana Arai.

One day, Lan Xia goes to her classmate Hai Feng’s house to stay overnight. They start to feel awkward around each other without really knowing why, but slowly get closer through insignificant words exchanged while doing a jigsaw puzzle of the world map. The next morning, Hai Feng realizes that Lan Xia has left without saying anything and sets out to follow her. A memory of a summer in which the world belonged to the two of them alone, if only for a moment