Lotus Su flees an arranged marriage, works as a nanny for the mayor's family. She has a secret of lactation overflow. Hugh Shen, youngest son of the Shen family, discovers her secret. From initial scrutiny to growing affection, he secretly fends off harassment and clears her of false accusations. Amidst disparity in family status, sister-in-law's persecution, and arranged marriage turmoil, the two move from a 'secrecy condition' to dating, unfolding a sweet and tense secret romance.
