In this episode Sint and Piet experience exciting stories on the steamboat.
Sint and Piet look for a solution for their sick captain.
In this episode Sint and Piet visit baby Robbe, and they meet a sleepwalker. Professor Van den Uytleg looks back on his first meeting with Conchita, Sint's housekeeper.
Sint and Piet send a gift into space with a rocket and give the best of themselves in an operetta with the captains.
Sint and Piet help a student in love with a serenade for his girlfriend.
A young couple about to give birth is helped out of need by Sint and Piet.