Ingemar Sjödin

Private eye Ture Sventon solves crimes in Lingonboda, the Arabian desert, London, and Stockholm. His secretary, Ms. Jansson, and good friend, Mr. Omar aids him in the constant battle against his arch-enemy, Vilhelm Vessla. Based on the books by Åke Holmberg.

The English agent James Cash is in Sweden to steal a data file. A FNL group (Pro Vietnamese National Liberation Front) tries to expose Cash but fails.