Obsession isn't necessarily a bad thing -- especially in director Shinobu Yaguchi's world, where for comic heroine Sakiko (Naomi Nishida) it provides meaning and direction after a kidnapping and car crash. With her abductees killed in the accident and their suitcase of money lost to a watery grotto, Sakiko will do anything to get her hands on the missing treasure -- including entering a kooky sports contest to raise funds for her search.