Posing as a privileged man working for his wealthy industrialist uncle, Commander of the Saigon Rangers Tư Chung prepares with his comrades for a secret meeting with a coming Vietcong officer, alias "K9". The first part of a series based on a real-life organization involved in intelligence activities in South Vietnam before 1975.
| Directing | Long Vân | Director |
| Sound | Cao Bá Vinh | Sound |
| Lighting | Nguyễn Thiệp | Lighting Technician |
| Writing | Lê Phương | Writer |
| Writing | Nguyễn Thanh | Writer |
| Camera | Nguyễn Quang Tuấn | Director of Photography |
| Crew | Hải Ninh | Creative Consultant |
| Costume & Make-Up | Thanh Hảo | Makeup Artist |
| Costume & Make-Up | Nguyễn Thị Hường | Makeup Artist |
| Art | Nguyễn Trịnh Thái | Art Direction |
| Sound | Hoàng Hiệp | Music |
| Editing | Nguyễn Như Oanh | Editor |
| Editing | Nguyễn Việt Nga | Editor |
| Costume & Make-Up | Tuyết Mai | Costumer |
| Writing | Hải Ninh | Script Editor |
| Writing | Hoàng Tích Chỉ | Script Editor |
| Camera | Trần Đình Hiệp | Camera Operator |
