The devil has a stye in his eye, caused by the purity of a vicar's daughter. To get rid of it, he sends Don Juan up from hell to seduce the 20 year old Britt-Marie and to rob her of her virginity and her belief in love. She however can resist him and things get even turned around when Don Juan falls in love with her. The fact that he feels love for the first time now, makes him even less attractive to her and Don Juan returns to hell.
Italian singer Mario Vanni visits the Royal Opera in Stockholm and fall in love with ballet dancer Linda Corina.
The burglar Karl Kilian Ledig tries to get his somewhat reluctant son Carl Gustaf interested in his "profession". He bring him along one evening to the sculpture Ulla-Carin von Knaake's house to break in and steal from her safe. Complications arise when Ulla-Carin and some of her friends unexpectedly come home and she imagines that Carl Gustaf is a model she has hired from a model agency.
