Mattsson is a fisherman and widower in the Stockholm archipelago. He has two adult daughters that help run the household, Magda and Lena. Lena prefers to shirk her duties and read romance novels. She is being courted by the neighbour boy Per who covers for her whenever he can.

John Elfström
as Per Österberg

Rut Holm
as Lena Mattsson

Gudrun Brost
as Dagmar Liljekvist

Olof Bergström
as Karl-Henrik Norman

Josua Bengtson
as Johan August Söderholm

Anna-Greta Krigström
as Magda Mattsson

Anders Frithiof
as Mattsson

John Botvid
as Österberg

Nils Hallberg
as flottist

Carl-Axel Elfving
as flottist