Tropical Malady (สัตว์ประหลาด RTGS: Satpralat; lit. "monster") is a 2004 Thai romantic psychological drama art film written and directed by Apichatpong Weerasethakul. The film has a bifurcated structure; it is divided into two segments – the first is a romance between two men, and the second a mysterious tale about a soldier lost in the woods, bedeviled by the spirit of a shaman.

Plot

Keng (Banlop Lomnoi) is a soldier assigned to a post in a small city in rural Thailand. The troop's main duty is to investigate the mysterious slaying of cattle at local farms. While in the field one day, Keng briefly meets a villager named Tong (Sakda Kaewbuadee). Later, Keng sees Tong riding in a truck, they talk some more, and a romantic friendship soon develops between them.