In 1935, YAN YUET-MUI arrives in Shanghai to visit LAM PING, who is believed to have fallen sick. Though MUI cannot speak, she nonetheless cheers PING up and lets her know that LUI TO and his mother LO SEI LEUNG have arrived in Shanghai too, that everything will turn out fine.… MUI turns back the clock, remembering when she was only six. It was 1919. She was waiting for a train with her family at the train station, when she was abducted by SEI LEUNG, who was then a member of a con gang. TO came across them and tried to stop SEI LEUNG. He was also being abducted. The two kids were brought to Guangzhou. They were nearly made dumb to become beggars. Fortunately, SEI LEUNG saved them and from then on they lived as a family. Time flies, and, in 1932, TO becomes a police officernd MUI graduates from the school for the deaf and dumb. She plays the violin very well and is well known for her good performances.… ...

With the help of LEUNG, TO is able to bring a con gang to justice. His superiors, KWAN BING and Robinson, are delighted and praise him for his outstanding performance. TO gets to know the owner of the watch, LAM PING. PING is desperately searching for the watch, as she believes that it can help her connect with her missing lover, TSUI FUNG. LAM SAI FUNG, a famous goldsmith in Shanghai, is pleased to see his business prosper. He is opening his 12th branch in Shanghai. However, he is worried about his beloved daughter, LAM PING, who has become depressed since the disappearance of her boyfriend. He is shocked to find that she has forged his name to advertise in the newspapers to apologise to TSUI FUNG, catching the public eye. Enraged, he kicks PING out of his door. PING has nowhere to go and seeks TO for company. They stay up all night talking. MUI, meanwhile, goes searching for TO in the streets when she cannot find him at home.…

TO wants to help unleash MUI’s musical potential and he begs the renowned violinist, Professor SZETO, to see MUI. PING asks TO to help her investigate FUNG’s disappearance. TO then discovers that SAI FUNG was once a gang member. PING refuses to believe that her father will cause any harm to FUNG. TO gradually discovers that he has fallen for PING. Professor SZETO is touched by TO’s sincerity and agrees to teach MUI. PING is bothered by frequent nightmares. TO comforts her and asks her not to imagine things. Then, all of a sudden, appears a Mr. LUI, who claims to be a good friend of FUNG. He asks SAI FUNG about FUNG’s whereabout. SAI FUNG knows that Mr. LUI is in fact TO in disguise. SAI FUNG is heartbroken to know that his own daughter is sending a cop to investigate him. He lies to TO, saying that he has killed FUNG and has thrown his body into the Huangpo River.… ...

PING suddenly disappears and TO is worried. He later finds out from her telegram that she has gone to Tianjin. PING hurries to Tianjin as she has received news that FUNG is there. She stays temporarily in the home of an old servant. MUI stays in Professor SZETO’s home to practice hard. However, she does not make any progress. She is upset as the Professor is not pleased with her performance. MUI’s family visits her and asks her to go home. MUI refuses as she is determined to stay and practice more to become better. PING runs out of money and asks her stepmother MUI CHI to wire her some money. When SAI FUNG learns about this, he blames MUI CHI for spoiling PING. Professor SZETO invites LEUNG, TO and MUI to dinner and tells them MUI has a good chance to win in the competition. She can also go to Vienna to study music if she wins. TSE WAN is jealous of MUI and always stands in her way.… ...

Due to a change in the schedule for departure, MUI has to leave right after the competition. TO and LEUNG encourage MUI to do her best during the competition and conceal their sadness so that MUI can give her best performance. TSE WAN hides MUI’s violin, but is later touched by MUI’s sincerity and returns it to MUI. Professor SZETO informs TO that MUI has suddenly disappeared. LEUNG and TO try to find her. TO finds her at the church. MUI does not want to leave her family and decides to give up her chance to go to Vienna. Her decision is supported by her family and the other villagers. TSE WAN eventually wins the competition. PING has no more money. In order to keep advertising in the newspapers, she sells her expensive coats. She has no more clothes to keep her warm and falls sick as a result. Her old servant gives her a train ticket to go back to Shanghai, but she refuses to return home.… ...