The story is set in Helsinki's revue theater Punainen Mylly, run by Jalmari Haapala with Erkki Pajula as its lead singer. Between performances, dancer Kaarina and doctor Kalle are offered the chance for romance, despite some misunderstandings.
(uncredited)
Erkki Pajula
Jalmari Haapala
Siiri Palmu
Dr. Kaarlo Lehmus
Kaarina Tuomo
Dr. Aarne Syrjä
Matilda
Bernhard Lehmus
Lyydia