Lum, Ataru, Shinobu, and Shūtarō Mendō visit the statue of a goat that an ancestor of Mendo owned. While there, Mendō's father takes some pictures of them, which triggers a curse: the ghost of that goat will come and eat those photos, and the people in the photos will die. So everyone tries to find a way to lift the curse and save their lives. Are the gang gonna be able to revert the curse of the goat?
