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.

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