Sat, Feb 15, 1964
In a book Melker finds the maxim "This day - a life". He decides to make the maxim come true this very day, but despite his good intentions, all his undertakings end in disaster. He builds a water-conduit to the kitchen, only to find out that the whole kitchen-floor is flooded with water. He cook fishes for the dinner, but the food is uneatable because of too much salt. Christer invites Malin to a boating excursion and is not happy when she brings along her little brother Pelle. In the end Christer leaves Saltkråkan with the intention of never coming back.
Sat, Feb 22, 1964
Söderman urges Nisse Grankvist to report to the police that some thieves are stealing fishing-nets from the fishermen. Johan, Niklas, Teddy and Freddy go on a boat-trip to Kattskär, an island far out in the outskirt of the archipelago, where they are going to stay overnight in a cottage. The island is uninhabited, but there are some cottages, which are used occasionally by fishermen. The four young friends think they are alone on the island. They don't know that the thieves, Berra and Elis, are using the island as their hiding-place.
Sat, Feb 29, 1964
In the morning Teddy, Freddy, Johan and Niklas discover that they are not alone on Kattskär. They quickly understand that the two strangers on the island are the thieves that steal fishing-nets. Johan sneaks on board the thieves' motor-boat and takes the sparking plugs, so the thieves cannot leave the island. The children throw the sparking plugs into the sea. The thieves try to lay hand on the children's boat, but the children succeed to go away in their boat, leaving the thieves on the island, where they have to stay until the coast guard captures them.