Shi Kezhen is the adopted daughter of the Shi family. In real life, she is treated as a lucky charm but kept under strict control. Online, she goes by the name "Yao" and falls in love with Gao Cheng through an online relationship. After gathering numerous clues, Gao Cheng realizes that his online girlfriend is actually the reserved and quiet Shi Kezhen he knows in real life. Instead of revealing his discovery, he continues their online romance while quietly approaching her and observing her situation, feeling heartbroken over the restrictions imposed on her by the Shi family. Out of jealousy, Li Yunshu and Mo Zhenni frame Shi Kezhen and trap her in a secret room. Gao Cheng arrives just in time to rescue her. The two finally recognize each other in person. As Shi Kezhen remains trapped by the constraints of the Shi family, Gao Cheng resolves to protect her, and they begin a secret romance while facing the obstacles of reality together.