When Isari saves a confused-looking girl named Luka from a traffic accident, she has no idea that she has saved no ordinary girl. Luka is actually a dolphin whose brain has been transplanted into a human body by a mad scientist. Not only that, but she also possesses superhuman ultrasonic powers with which she can make her enemies' heads explode or soothe her friends' hangovers the morning after a pub crawl. Together, Isari and Luka stumble upon the cause of Luka's extraordinary existence in a light-hearted film about friendship and belonging, packed with indie music and quirky characters.

Katami Watase is young and full of ambition to become a cinema actress. For that, she needs talent, belief in herself and support from her friends and relatives. But at the admissions interview, she suddenly feels like she is under fire.

Mimi had to stop her activities as an underground idol due to lack of money and also lost her job, but still she doesn't let it get her down. At a time when young people have a hard time pursuing their dreams, it was the shrimp crackers that came in a package from her parents that brought her salvation.