Su Nian'an married Mu Jinshen, whom she had only met three times. Everyone said that she was flying on a branch. The wedding was grand, but he looked distant. After marriage, he gave her endless love, but also built an invisible wall. The whispers in the study late at night, the sudden "business trip", the same name that appeared repeatedly in his dreams... When Su Nian'an decided to get in touch with the truth, he discovered that this marriage was a trap from the beginning. Mu Jinshen's biggest secret is actually related to the ten years she has forgotten. Is it conspiracy or affection? When all disguises are peeled off, who is the one in the cage?