The series tells the story of two couples separated only by a wall through which many things can be heard. Ivo and Silvika Špeh live on one side, Beno and Žuža Sagadin live on the other. Beno and Ivo have been friends since their youth, so they share a very special bond. Žuža and Silvika try to get the best out of their husbands, but sometimes it breaks down.
The elder sister Muntaha is well educated and focused in life and employed at a good organization. While younger sister Alishba is carefree and is always looking for an easy life after marrying a rich person.
When Ozu’s older sister and her husband suddenly passed away after an accident, 32-year-old Ozu temporarily moved to Fukushima from Tokyo in order to look after his 12-year-old niece Mei during the summer vacation. He has a modern way of thinking but is lethargic about everything in his daily life. In Fukushima, he meets the local residents who have been living positively with the aim of recovering from the Great East Japan Earthquake, as well as the immigrants who have come from outside of the prefecture in order to realize their aspirations.
As he resides alongside his artistic niece, their bond starts to deepen, and through his interactions with Mei and the many residents of Fukushima, he starts to change and grow as a person.
The theatrical aquarium "átoa" that opened in Kobe is a new bayside landmark that offers new discoveries and impressions through exhibits that fuse art and aquarium. It is a new landmark in the bayside area of Kobe. A mini drama about a fish-viewing manual for modern people, set in an aquarium where you can be soothed by colorful creatures.