Mật Lệnh Bí Ẩn, Classified Vietsub

Operating alone in the field for more than 20 years, a CIA hitman uses the "Help Wanted" section of the newspapers to get his orders from the Agency. His long-lost daughter, now a UK MI6 analyst, tracks him down to deliver shocking news: his CIA boss has been dead for years and the division long since shut down. Together, they set out to discover whose orders he's been executing.