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.
as Erkki Pajula
as Jalmari Haapala
as Siiri Palmu
as Dr. Kaarlo Lehmus
as Kaarina Tuomo
as Dr. Aarne Syrjä
as Matilda
as Bernhard Lehmus
as Lyydia
as
as (uncredited)