Seki, a young Japanese detective has lost his workmate whom was killed by a serial killer. This weird killer enjoys killing a particular type of person - transsexuals. When the killer escapes to Thailand, Seki follows and meets Lily, a cabaret showgirl who her best friend was murdered by the same killer.

Based on a true historic figure, Yamada Nagamasa, a Japanese adventurer who went to Ayothaya in the 16th century and became a soldier in King Naresuan's army. After the war in Burma it's restless in Ayothaya, because of a mysterious group of men that terrorizes and plunders the city. Yamada goes after them and discovers that the men are rebelious Japanese samurai. Now he has to fight his own countrymen.