Jiang He is a sweet, timid young palace maid working at the Laundry Bureau. To afford medicine for her mother, who suffers from consumption, she enters the imperial palace to earn a living. By an unexpected twist of fate, she spends an unforgettable night at the imperial hot springs with Xiao Chengyan, an emperor who has no interest in women. Due to a rare physiological resonance inherent in the imperial bloodline, Jiang secretly becomes pregnant with triplets. Terrified by rumors that the emperor executes palace maids who become pregnant out of wedlock, she hides her pregnancy and focuses on working quietly to save money. Xiao Chengyan falls in love with the gentle and timid Jiang He at first sight and repeatedly tries to win her affection, only to be avoided and rejected every time. Meanwhile, the malicious palace maid Qiu Ping and the formidable female general Wanyan Yue repeatedly bully and frame Jiang. Each time, Xiao Chengyan comes to her rescue. As the two gradually fall in love, they ultimately find their happily ever after.