In which movie did Ching-Ying Lam and Ceng Zhiwei play father and son?

Luck has changed. Lucky is an action comedy film, which is produced by Sammo Hung, directed by Liu Jiarong and starring Sammo Hung, Yuan Biao, Ceng Zhiwei, Feng Cuifan, Zhong Fa, Ching-Ying Lam and Lin Lianghui. Published in 1985. The film tells the story that the dragon's good friend Fred died unexpectedly, and the dragon father stopped the ghost from collecting Fred's ghost, thus killing it. It turns out that the dragon is a ghost passed down from generation to generation. The dragon was forced to follow in the footsteps of his father and fell into mental torture. Fred escaped the disaster and had to be the father of the warlock to help him fight the headhunter.

Synopsis: Long De is a stuntman and a good friend. The German father is a fortune teller, and he often hopes to make money for his son to avoid evil spirits, while the dragon father is a heady messenger, also known as a ghost, so he often makes some strange behaviors, which makes the dragon feel puzzled.

One day, Long had an argument with the production designer at work and refused to take part in a jumping scene, so De had to act instead. An accident happened in the process. When Fred jumped from a height, he fell to the ground because of his clothes. Fred should have died because of this, but Long Fu knew about it, so he intervened to stop the ghost who was responsible for collecting Fred from the ghost. In the end, although he succeeded, I and the ghost he stopped also failed.

When everyone is happy for Dede's survival and Long is happy to be a lover, the dragon father finds that the consequence of dereliction of duty is death, and finally the dragon father can't escape the fate of being killed by other ghosts.

In order to avoid the dragon's injury, Le and others specially made a big renovation for the dragon's home. After that night, a group of people agreed to go to the movies. At this time, the dragon felt uncomfortable and went home, so he began his first soul collection work. Fred informed his father of this situation, and invited the psychic aunt to lead the dragon father back to the dead. Father Long told the whole story, and Long knew that his ghost difference was passed down from generation to generation. In order to get rid of this torture of dragons, Telford led everyone to a duel with the headhunter. The final outcome is unforgettable.