When her parents pass away during a skirmish, Hiền moves to the countryside and lives with her uncle, supporting his beverage stall by the river day by day. Admired by many for her beauty, she rejects many suitors, until a fateful encounter with a dashing young sublieutenant changes her life upside down.

Since its first premiere in 1971, a classic Republic of Vietnam (1954-1975) war romance feature based on a fiction novel by military writer, Van-Quang. The film was lost for more than 4 decades when the communist forces took Saigon, Republic of Vietnam's capital, on April 30th, 1975. Digitized and restored from surviving 35mm prints archived by Japan film studio Imagica Lab; now transferred to UCLA Film and TV Archive. This film provides an almost unknown perspective on the Vietnam War, the Republic of Vietnam, and the RVN Army. The stage is the Republic of Vietnam, and the scenes portray a time during the Vietnam War as experienced by the Southern Vietnamese people, themselves. Phi, a soldier, longing to take Lien off to their private, imaginary space (the Purple Horizon), understands what his duty and commitment as a soldier is. Lien is a singer whose style is reminiscent of the "Torch" singers of the early 1930s. She desperately longs to escape the world with Phi to their purple.

A beautiful reporter goes to the front line to find a soldier with whom she fell in love through correspondences.

Wishing to turn over a new leaf, a reformed gangster reluctantly agrees to take on one last deal to earn some money that will let him settle down.

A law student and a navy officer fosters a beautiful love, but soon get separated by war.

An exasperated intellectual bourgeoisie leaves his home for the criminal underworld and becomes the second-in-command for 1970s Saigon most feared gangster, Dai Cathay.