电影《天若有情》讲述了华仔这个舞女私生子，因母亲情感问题而与黑帮结缘，但他内心深处却有着情义之心。一次偶然事件中，他挟持了Jojo这个无辜的女孩，却在逃脱中保护了她不被黑帮众人杀害。在这个过程中，华仔和Jojo之间产生了感情，并且一起到澳门度过了快乐无忧的日子。

但是好景不长，Jojo的母亲却指责华仔拐带了她的女儿，使得两人不得不返港。在这个时候，黑帮之间的争斗也日益激烈，喇叭策划了一场鸿门宴，欲将华仔等人置于死地。华仔的大哥为了保护他，舍命抵挡黑帮的攻击，而华仔则决定为大哥报仇。

华仔和Jojo最后一起逃跑，并且在一个教堂里完成了他们的婚礼。华仔决定与喇叭同归于尽，而Jojo则在华仔离去的马达声中一路追赶。这部电影主要表现了人性的善恶之间的斗争，华仔虽然深陷黑帮，但他内心深处却有着真挚的情感，而Jojo也在这个过程中看到了另一个华仔。整部电影给人留下了深刻的印象，值得一看。

"If there is love in the sky" is a Hong Kong-produced movie with love and underworld as the background, starring Andy Lau and Wu Qianlian, etc., released in 1990 . The following is an original article about the film

In "If there is love in the sky", Andy Lau, played by Andy Lau, is the illegitimate son of a dancer who was raised by the dancers since he was a child. He is trapped in the underworld, but he has a deep affection for his friends and elder brother. By chance, Hua Tsai became the respondent to the robbery operation of the underworld leader La Ba, and took the innocent Jojo hostage during his escape. In order to protect Jojo from being killed by the trumpet, Andy pledged his life, successfully escaped and left with Jojo.

However, Hua Tsai's actions aroused the suspicion of the police and Trump. Although Jojo did not confess them to the police, Hua Tsai has offended both black and white. During the contact, Hua Tsai and Jojo gradually developed deep feelings. However, Jojo's parents are against them being together and plan to send Jojo to study abroad. In order to avoid being hunted down, Andy took Jojo to Macau, where he spent a happy and carefree time.

However, the good times don't last long. Jojo's mother accused Hua Tsai of kidnapping the girl, and Hua Tsai had to return to Hong Kong with Jojo. At the same time, Hua Tsai's elder brother fought fiercely with Trump.