After returning to China, Ji Tong was targeted by her ex, who asked her to do a favor. Because the reason was really curious, Ji Tong agreed. Unexpectedly, all of this is a trap set by men. When Ji Tong is about to get stuck in it and find it hard to make a choice, his former love rival turns out to be a fiancée who brings a baby to force her to marry him. When the fake marriage with her ex turns out to be a real marriage, and the mystery of the real and fake daughter, how should Ji Tong face it and what to do...