96 minutes
2/28/1949
A young prostitute, Gullan Svan, is murdered one night. The police suspects that the murderer is a student, since she had a lot of students as customers. The murderer stole a picture of Gullan after he killed her, a picture which later is found in a rented tuxedo when the tuxedo is returned. Four students decide to solve the case, but it seems that the truth is even closer than they first suspected... Plot by Mattias Thuresson
Karl-Arne Holmsten
as Bo Hagberg
Birger Malmsten
as Torsten Hertgren
Jan Molander
as Robert Croona
Stig Olin
as Gustaf Eriksson
Åke Grönberg
as Kalle Larsson
Eva Stiberg
as Berit Lange
Inga Landgré
as tvålflickan
Else-Merete Heiberg
as Maud
Julia Cæsar
as Heliga Birgitta
Wiktor Andersson
as Pettersson
Haide Göranson
as Gullan Svan
Björn Berglund
as kriminalkommissarien
Ludde Juberg
as Nilheim
Olav Riégo
as anatomiprofessorn
Artur Rolén
as Österholm
John Melin
as kund i frisersalongen
Victor Sjöström
as antikhandlare Bladh
Carl Andersson
as kriminalassistent
Börje Mellvig
as Dr. Berg
Arthur Fischer
as sjungande vaktmästare på Flustret
Hanny Schedin
as Sister Vendela
Anna-Lisa Fröberg
as lärarinnan
Sif Ruud
as Kalle's date
Birger Åsander
as domkyrkovaktmästaren