A serial killer that decapitates people is on the loose in the Stockholm subway. Martin Beck and his colleagues try to catch the killer, while the panic in the city increases.
as Martin Beck
as Gunvald Larsson
as Lena Klingström
as Joakim Wersén
as Inger
as John Banck
as Annika
as Erik Lindgren
as Jens
as Magnusson
as Ernström
as Loftegård
as Grannen
