Des Drachens grauer Atem

The story follows Professor Wilkers, who travels to Thailand in search of the origins of drugs he aims to combat. His research leads him to Bangkok, where he encounters contradictory claims from local figures, including the wealthy silk manufacturer Tracy Blake. Wilkers' investigation takes a dangerous turn as he ventures into the mountains near the Burmese border.

In the village of Muong Nan, Wilkers discovers the harsh realities of poppy cultivation and the complexities surrounding its necessity for the local population. This film presents a gritty portrayal of the drug trade and its implications, making it a significant entry within the crime drama genre of the late 1970s. The cast features notable actors such as Leon Niemczyk and Talgat Nigmatulin, adding depth to the film's exploration of moral dilemmas and survival.