冼星海（苏嘉航饰）在澳门的一个小渔船上，在渔船上的生活特别艰苦，在他还没有出生的时候，父亲就因为捕鱼遇到风暴丧命。少年冼星海为了生活区给一个音乐家送外卖，他从这里接触西方的音乐和小提琴，才华逐渐展现。从小冼星海就喜欢听外公吹笛子，艰苦的生活更是磨炼了他坚强的意志力，小时候冼星海就知道人生最重要的就是学会本事

外公因为意外惨死在海里，母亲黄苏英（徐若瑄饰）被渔霸欺负后，被逼无奈的怒自去新加坡求生路，在这里冼星海遇到了恩师肖友梅（苏有朋饰），肖友梅在音乐上给了冼星海很大的启迪和帮助。生活的艰辛让她们母子再次启程回国，在船上冼星海送给母亲一份乐曲，激昂的乐曲震撼了船上的所有人，母亲也感动的留下泪水。

Xian Xinghai (played by Su Jiahang) lives on a small fishing boat in Macau. Life on the fishing boat is very difficult. When he was not born, his father He died because of a storm while fishing. The young Xian Xinghai delivered food to a musician for his living quarters. From here, he came into contact with Western music and violin, and gradually showed his talent. Ever since he was a child, Xian Xinghai liked to listen to his grandfather play the flute, and the hard life has tempered his strong willpower. Since he was a child, Xian Xinghai knew that the most important thing in life is to learn skills

Grandpa died tragically in the sea due to an accident. After her mother Huang Suying (played by Vivian Hsu) was bullied by a fisherman, she was forced to go to Singapore in a helpless rage On the road to survival, Xian Xinghai met his mentor Xiao Youmei (played by Youpeng Su), who gave Xian Xinghai a lot of inspiration and help in music. The hardships of life made their mother and son set off to return to China again. On the boat, Xian Xinghai gave his mother a piece of music. The passionate music shocked everyone on board, and the mother was moved to tears.