今天是葉廣的17歲的生日，除了收到大批的禮物，更有學妹安排熱舞作為愛的告白，而過去與他曾有一面之緣的徐啟章，也不小心被抓進告白隊伍裡。晚上，父母及好友Ray都無法替葉廣慶生，失落的他決定騎車出門晃晃，湊巧的是，他在便利商店前再度遇見了徐啟章。

那一晚的蛋花湯，重新牽起了葉廣和徐啟章的緣份，除了溫暖的舉動讓葉廣念念不忘，徐啟章的樂團主唱身份更讓他為之驚訝！葉廣的好友Ray即使多次被男友爽約，但他仍不願放棄這段感情，直到這次的約會才讓他徹底心碎，而這一幕也被咖啡廳店員阿健全程目睹…。

當徐啟章得知當選學生會長就能取得出國讀音樂學院的獎學金時，他感到十分猶豫，因為這樣勢必會和同樣是參選人的葉廣為敵…。某晚，為了還幾天前向徐啟章借的褲子，葉廣來到徐家麵店，但見到的卻是徐啟章的舅舅正在砸店的景象！

葉廣不經意地在徐啟章房間發現了一把非常眼熟的雨傘，他還沒想起原來那個下雨的晚上，正是他給了徐啟章這把雨傘。某天，徐啟章邀請葉廣一同練團，團員們也終於見到徐啟章時常提到的那位男孩。而為了讓Ray忘掉渣男男友，阿健帶著他到夜市吃東西、玩遊戲，而這也是兩人的第一次獨處⋯。

Upon spending time and getting to know one another, Ray and Jian gradually develop feelings for each other and on their way home, the two love birds can't help but share a kiss. But just when everything seems to be going perfectly, the very next moment, Jian pushes Ray away thereby causing a sudden misunderstanding between the two. Meanwhile, Ye Guang starts to look for Xu Qi Zhang for dinner after school, and their time with each other is no longer spent simply on tutoring and studying together. Eventually, all of this is seen as an act of rebellion in the eyes of Ye Guang's parents, which gradually results in their family relationship becoming increasingly tense.

With Ray not responding to any of Jian’s calls and texts, Jian has no choice but to ask Xu Qi Zhang to help him relay his sincerity and gratitude to Ray. Elsewhere, an increasingly flustered Ye Guang leaves home in anger because of his parent’s enhanced disciplinary pressure on him. Ye Guang wants to talk to Xu Qi Zhang about his situation, but when the two meet, they get into a verbal argument as a result of their differing ideas, and in a fit of rage, Ye Guang ends up saying some rather harsh words to Xu Qi Zhang.

With the immense amount of pressure that Ye Guang's parents are putting on him, Ye Guang gradually finds himself running away from home only to find solace in the arms of Xu Qi Zhang who has gone on to become his safe haven, for only with Xu Qi Zhang can Ye Guang truly be himself. Meanwhile, Xu Qi Zhang, upon being pushed and pressured by Jian time and again, finally decides to confess his feelings to Ye Guang. But, one night, as Xu Qi Zhang is taking Ye Guang back home on his bicycle, Ye Guang's mother suddenly captures a glimpse of the two.

After going through a whirlwind of a family storm, Ye Guang is all set to face the final school examinations. However, at his most critical moment, Ye Guang decides to muster up the courage to express his inner thoughts to his parents. In the meantime, as the school's most important performance approaches, it is revealed the music group is temporarily unable to perform, thereby causing Ye Guang to seek assistance from Xu Qi Zhang to resolve a crisis they never saw coming.