Äidittömät (1958)

Professor Derek Wytycky and his son Hans, who are immersed in the study of Indian poetry, wake up one day to find that the mother of the family is nowhere to be seen. When their housekeeper Gloria also leaves, having had enough of the absent-minded men, father and son hire private detective Mademoiselle Catherine Anaconda to investigate Mrs. Wytycky's disappearance.