Online movie critic known for his sharp reviews, has now become an AI to dish the dirt on the latest cinematic disaster, "The Mermaid Falls for Me." A struggling writer who's close to his mom, stumbles into an online romance with a fan of his work. He thinks he's hit the jackpot in love and heads to an island for a mix of business and pleasure. But when his internet sweetheart is a no-show and his writing gig goes south, He's left high and dry. That's when he unexpectedly connects with Wen, his innkeeper, who's actually his online crush in disguise—a woman healing from a broken heart through her anonymous internet persona. Wen, once shy and lacking confidence, comes alive with the writer’s flirty chats. The writer inspired by Wen, invites her to co-write a new spin on the tired mermaid story. But as they finish, life throws a wrench in the works: His mom falls ill. In the emotional chaos, he finds out Wen was his mystery girl all along. He reacts badly, and Wen leaves, heartbroken.
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.