Kumiko Ijima is a very timid girl who happens to recognize a murderer still in pursuit at a park. With the help of her friend Kyoko Inaba, she warns the police about the wanted man. After trying to escape the police by car, the murderer crashes and ends up in the hospital. Some time later, a mysterious entity starts to terrorize the neighborhood in search of a girl who has the name initials K.I. and uses a red ribbon on her hair.
Based on the novel Tottòi by Gianni Padoan. Sardinia is abundant in beautiful beaches and mysterious caves which are known as the habitat of a peculiar kind of seal on the verge of extinction. After moving to this island, Tottoi, fascinated by nature, visits different beaches and caves everyday. When he finds a seal cub and its mother in an isolated cave, he is surprised by the humorous movements and innocence of the cub and the dignity of its mother. Tottoi soon becomes attached to the seals, but his secret is revealed to heartless adults. In the name of preservation, a plan is developed to capture them for an aquarium. Now the dignity and pride of the wild seal are in danger. No matter how painful for Tottoi to be separated from his small friends, he must fight for the welfare of the wild mammals and let them go free into the sea.