Based on the play by August Strindberg, Miss Julie vividly depicts the battle of the sexes and classes that ensues when Julie, a wealthy businessman's daughter, falls for Jean, her father's bitter servant.
The married detective couple John and Kajsa Hillman goes on a vacation to Holmfors mill where a friend of Kajsa's lives with her husband. When a young woman is found murdered it is clear that this is another case for the Hillmans.
The American boat is on its way to Gothenburg. On board are the Swedish-American millionaire Fridolf F. Johnson from Detroit (Håkan Westergren) and his male secretary of the same name (Fridolf Rhudin). The millionaire stays hidden in his cabin with the secretary and does not appear on deck. A journalist arrives out at sea by airplane and asks for an interview, which the millionaire refuses to agree to. The journalist disguises himself as a steward, puts on a hidden camera (a spy camera) in the buttonhole, enters with a tea tray and photographs the wrong person - the secretary.
