Overview

A scientist dies while researching the toxins dropped by American bombers onto Southern Vietnam. His three students goes on a trip through the forest of Truong Son mountains to bring his remains and research documents back to the North, but soon find themselves developing the same symptoms like their professor.

Cast

Phương Thanh

Liễu

Đặng Lưu Việt Bảo

Biên

Lý Huỳnh

Đại uý Tường

Trần Trung Nhàn

Hải