Accompanied by his extraordinary confidant Doudou, T'choupi discovers with wonder the small village of the seaside where he will live. The beautiful days of summer, the beach, freedom - Very quickly, the holidays are rich in encounters and adventures. He shares with Doudou all the events of his life, where joy and jealousy mingle; the family is growing, T'choupi now has a little sister, Fanny. But a mysterious shadow disturbs the happiness of the village children by stealing their favorite toys. With Pilou and Lalou, his new friends, T'choupi will conduct a thrilling investigation to unmask the culprit.

Loopdidoo, the goofy dog, has found the perfect spot to bury his bone. As he starts digging, Loopdidoo uncovers… A treasure chest! Right there! Isn’t he a lucky dog? Not quite… Not only does the treasure chest only contain incomprehensible clues, but the evil pirates, Captain Coco and his sidekicks, have just moored their ship, The Black Egg, off the island, determined to get their hands on the treasure too! Will Loopdidoo and his friends be able to outwit the pirates, rescue Loopdidoo’s cousin and find the treasure?