At Justiina's insistence, Pekka and Pätkä are looking for work again and end up starting a detective agency. The first assignment takes the duo on a cruise on Lake Saimaa. Traveling on the same ship are representative Johannes Kulo and his daughter Maija, as well as the lumberjack Jussi, who gets caught up in the duo's misadventures.

Genres

Cast

Esa Pakarinen

Pekka Puupää

Masa Niemi

Pätkä

Anja Hatakka

Maija Kulo

Siiri Angerkoski

Justiina Puupää

Veikko Linna

Johannes Kulo

Eino Kaipainen

Leino (uncredited)

Juhani Kumpulainen

Viljo Leino (uncredited)

Armas Jokio

Pikkarainen (uncredited)

Kaarlo Saarnio

(uncredited)

Uuno Montonen

(uncredited)

Tauno Majuri

(uncredited)

Kyösti Erämaa

(uncredited)