In March 1792 the Swedish King Gustav III is murdered at a masked ball. Five young people are involved in the murder story, including Tintomara, a 17 year old inter-sex who dominates over the others.

Pia Grønning
as Tintomara

Britt Ekland
as Adolfine

Monica Ekman
as Amanda

Eva Dahlbeck
as Adolfine og Amandas mor

Jørgen Kiil
as Adolfine og Amandas onkel

Bent Mejding
as Regenten

Bill Öhrström
as Clas Henrik

Bruno Wintzell
as Ferdinand

Hardy Rafn
as Præsten

Rita Angela
as Ung frøken