In 1967, as the Vietnam War raged, a Vietnamese revolutionary guerrilla team became the U.S. military's top target—charged with safeguarding a secret group of intelligence agents at all costs.

In the early 20th century, the daughter of a wealthy family in Saigon met a tragic end in the family's grand estate. Though her death was officially declared as an accident, the rumors of a woman in white, seen weeping by the old window of the mansion late at night, begin to spread.