In post-war Japan, a publisher goes to visit her former teacher for help on a modern translation of a legend about a mummified Buddhist monk who was revived and who, centuries later, turned into a sex demon who terrorized a village in pre-modern Japan.

Crustacés et coquillages is a fresh French comedy film with numerous surprise turnarounds and about the tolerance of a family of four. The family spend an idealistic summer vacation together where each of the family members gets involved in a new or old relationship.

Dummie realizes that he is not as famous as his father, an ancient pharaoh, so he decides to rely more on himself and enters a special contest with the help of his best friend.