The Lok's family disperses when Japanese occupied China. Mrs. Lok's company prospers in Hong Kong. Her son Tin-yam looks after her business. She misses her daughter. Another daughter Chui-yin dates Kuk-tat. Mrs. Lok hopes that Tin-yam will find a good partner. Wan Yuk-yin works in Mrs. Lok's company and meets Tin-yam. They fall in love. Mrs. Lok asks Yuk-yin to leave Tin-yam. Facing his mother's objection, Tin-yam falls ill. Mrs. Lok let them marry. The wedding guests despised the bride, which makes Mrs. Lok uncomfortable. The couple lives happily, but Mrs. Lok and Chui-yin make Yuk-yin embarrassed. Kuk-tat covets the Loks' fortune. He steals their jewels. Mrs. Lok thinks Yuk-yin did it. Yuk-yin is innocent, but she is expelled. Tin-yam returns. Yuk-yin's parents seek justice at the Loks. Mrs. Lok's saw the Yuk-yin's birthmark. She realizes Yuk-yin is her lost daughter. Mrs. Lok decides to be a dutiful mother. Tin-yam is an adopted son of the Loks so the couple lives happily.
Unfortunately the movie Forsaken Daughter is not yet available on HBO Max.
| Writing | Lau Nai-Chai | Screenplay |
| Sound | Wu Sun | Recording Supervision |
| Crew | Han Xihong | Film Processor |
| Production | Kong Man | Production Manager |
| Production | But Wai-luek | Executive Producer |
| Production | Kong Mang | Producer |
| Crew | Suen Lun | Cinematography |
| Directing | Chan Chung-Kin | Assistant Director |
| Crew | Leung Hoi-Shan | Sets & Props Artist |
| Costume & Make-Up | Chan Man Fai | Makeup Artist |
| Directing | Lee Kwong | Script Supervisor |
| Directing | Mok Hong-See | Director |
| Writing | Lee Ngo | Original Story |
| Production | Cheung Chung-Chuk | Producer |
| Editing | Sung Ming | Editor |
