黃亞樂即將遠赴外國受訓,李馬榮、余浪沖和班長來到海灘與他進行一場告別賽,四人在一望無際的大海中比併,揭開暑假的序幕。活力無限的余浪沖拉著施詠天天玩樂,然而為考大學,施詠覺得需要收拾心情溫習,但余浪沖不但學習能力驚人,更經常無師自通。朝夕相對下,施詠發覺自己與余浪沖的差距更是明顯,並逐漸形成壓力,平凡的她為追趕余浪沖的腳步弄得遍體鱗傷,最後只能忍痛分開。暫別學校的Miss翁在展覽中被Tom出賣,原稿被騙。李馬榮為幫她取回原稿,不惜連夜潛入Tom的公司,卻遇上突然回來的Tom,二人被逼在狹小的會議桌下躲避一夜……
Knowing that Wong Ah Lok is about to go abroad for training, Lee Ma Wing, Yu Long Chung, and Wan Coeng go to the beach to have a farewell match with him. As the college entrance exam draws near, Si Wing thinks it is time for Yu Long Chung to focus on his studies, but he is all about having fun. Meanwhile, Ms. Yung encounters some trouble at work, and the same person comes to her rescue once again.