Sweet Love Encore(1982)

Three friends, Cai Shouyi, Ke Zhaowen, and Chen Jilian, meet a beautiful girl named Yu Huizhi while camping. They all fall in love with her and decide to compete fairly for her affection. Shouyi wins her over, but Zhaowen creates a love triangle, causing pain for all involved. Despite this, the friends share a love of music and successfully enter the entertainment industry. Huizhi becomes a popular singer, but her success makes Zhaowen feel insecure and unhappy, leading to intense competition between their two managers.