Kootje has won tickets for a Dutch cruise. Door is disappointed to find all their friends from Amsterdam are along for the trip. When the ships captain falls ill, Riek insists that Arie takes over.
The MS Alexander docks in Deventer where salesman Cees boards ship to take advantage of all it's passengers. 'Captain' Arie is persuaded to take swimming lessons and Huib is terrible homesick.
