Folke Mellvig

A series of strange murders happens at the large luxury fashion-house and inspector Hillman starts working on the case.

A ghost called Vita Frun is accused of several murders. Detective Hillman is contacted to resolve the case.

Private detectives Mr and Mrs John Hillman visits a friend in the country. While there they track down a murderer who is disguised as a ghost. (imdb)

When private eye John Hillman is on assignment in London his wife Kajsa visits the Army's riding school at Strömsholm, Sweden. She gets involved in the strange murder of the Blue Rider. Unknown to everyone at Strömsholm. (imdb)

On a tourist trip abroad the passengers on the coach witness an assassination attempt on the President Hurkas. One of the tourists has evidence against the perpetrators, and is killed when the coach reaches Sweden. Another passenger observes how one of the perpetrators is picked up by a yellow car. She is kidnapped and locked up in a mental hospital. (imdb)

While four men blow up a safe, a night watchman is accidentally killed. They get away with the loot. Ten years later, the stepson of the dead night watchman receives vital information. (imdb)