College student Gu Yan moves into his classmate Zhou Ye’s home for an internship. Expecting just a simple place to stay, he is stunned to find Zhou Ye’s mother, Lin Wanqing, is his university lecturer. Living under one roof, their teacher‑student bond turns into a secret they cannot speak of. Hidden emotions and repeated misunderstandings keep tugging at the three of them, blurring boundaries, until all truths behind their identities are laid bare.
