Lin Yu

In school, Wang Hsiao-hsia and her childhood friend Yuzu are seen as a couple, but Hsiao-hsia secretly longs for the transfer student Cheng Yih. Cheng Yih, admired for his exceptional grades, talent, and fighting skills, captivates her heart. Despite her poor academic performance, Hsiao-hsia tries various methods to win his affection, but nothing works. Unbeknownst to her, Cheng Yih harbors feelings for Hsiao-hsia as well. Meanwhile, Yuzu, fiercely protective of Hsiao-hsia, is wary of anyone trying to get close to her. As summer arrives, a fragrant first love begins to bloom among the three of them, reminiscent of lemongrass.

Yang Zi Xiang is sent to Taiwan for business negotiations but gets attacked. He hires Jiang Shao Peng to take care of him, and takes this opportunity to escape from his family responsibility while also falling for Shao Peng. Zi Xiang's assistant Feng Jie acts as a stand-in for his boss, and Xin Jia, the assassin hired to get rid of Zi Xiang, repeatedly fails to take out his target. While Feng Jie manages to escape, sparks of love start to bloom.

Wei Qian has been the breadwinner of his family since he lost his parents at a young age. Besides providing for his biological little sister, Wei Li Li, he has also adopted Wei Zhi Yuan as his little brother. Wei Qian puts his life at risk and works illegally to support his siblings. Luckily, his childhood buddy, San Pang, gets him back on the right path. As life gradually falls into place, Xiao Yuan admits that he likes Wei Qian and forcibly kisses him. Overwhelmed with anger, Wei Qian sends Xiao Yuan abroad. Yet, Wei Qian feels as if something is missing. Both of them, who are not related by blood, are no more than brothers? Or will they cross that forbidden line and end up becoming lovers?