Set in 2007, the movie tells of a complicated three-way relationship between a young singer and two people who believe in him.

At Home of Happiness, a devoted social worker struggles to reform troubled youth while the institution falls into crisis. A bullied boy clings to his late mother’s teddy bear as his world collapses. A former resident, lured into a telecom scam, faces a moral dilemma that threatens his life. Across different paths, each must confront the scars of the past and decide whether to fall into darkness or fight for a way forward.

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.

A young boy and his mother wandered through hostess teahouses and motels late at night in quest of the boy's absent father. This voyage resulted in a fascinating nighttime experience, while the boy was forced to mature prematurely and deal with complicated family issues.