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男主朱宣文是位三高（高智商、高颜值、高资产）男神，只可惜年纪轻轻就得了神经病——在一场莫名的车祸后竟然说自己是古代王爷，还在郊外私建了座王府，从此不再理会自家上市公司的经营，专心做起了王爷。女主罗开怀是位濒临破产的实习女心理医生，属于业务很精湛，生活基本不能自理的那种糊涂妞儿。因为太需要钱养家，她不得不去给朱宣文治病，没想到从此“一入后宫深似海，人生再无太平日”。朱宣文拼命想赶她走，罗开怀则拼命也要留。于是俩人每天打打闹闹，见招拆招，生生成了一对欢喜冤家——令朱宣文怎么也想不到的是，他设下的层层陷阱，最后套牢的竟是自己的心……
Xuanwen is on the way to a jewelry event. His car suddenly loses control and gets into a severe car accident. After he wakes up in the hospital, he doesn't remember anything.
Xuanwen believes he is an Emperor Jianwen of the Ming Dynasty. His family hires Luo Kaihuai to treat his mental illness.
Kaihuai tries to understand Xuanwen's delusion so that she can enter his world and treat his illness efficiently and effectively.
Dai Fu realizes that Xuanwen is into Kaihuai. He asks Kaihuai to take care of Xuanwen's illness without any intention and stay away from Xuanwen.
Dai Fu threatens Kaihuai with scissors and asks her to stay away from Xuanwen. Kaihuai feels confused because she just wants to work hard and get her money every month.
Xuanwen, Kaihuai, and Dai Fu go shopping together, but Paparazzi shows up. During the argument, Xuanwen punches Paparazzi, and the video is all over the internet.
To find evidence and prove Xuanwen's innocence, Kaihuai and Dai Fu work together to see all of the surveillance footage in the mall.
Kaihuai packs up her luggage and leaves the palace. She sits on the roadside, and Zhu Li runs into her. Zhu Li decides to take her to the mall to clean up herself.
Xuanwen is unhappy after Kaihuai leaves his palace. He stops eating and drinks until Kaihuai returns to take care of him.
Xuanwen is recovered from his mental illness. However, he decides to hide this truth to monitor his enemy, who tries to hurt him.
Kaihuai feels suspicious about Xuanwen's mental illness. She has been monitoring Xuanwen and see if he is recovered. However, Dai Fu helps Xuanwen with hiding the truth.
Someone poisons the chicken soup, and Linda is in a coma after drinking it. Xuanwen asks Kaihuai to investigate and find out who does it.
Kaihuai is visiting the design department. After she views a brooch, she feels dizzy and passes out. Xuanwen covers Kaihuai with his coat and carries her away.
Kaixiao finds a guy called Li Lin who is interested in cars. Also, he has very in-depth research on luxury cars' central control system. Kaixiao wonders if Li Lin modifies Zhu Xuanwen's car.
Father Luo mentions Zhu Li and Zhu Xuanwen to Luo Kaihuai. He thinks Kaihuai can get to know Zhu Li. However, Luo Kaihuai already falls in love with Zhu Xuanwen.
Zhu Xuanwen reveals his recovery to the board of directors. He also tells the facts that he pretends to be sick and asks why Mei Changting damages his car.
It turns out that Kaihuai has a mental illness. Kaihuai leaves Xuanwen and decides not to see him again. Xuanwen has been looking for Kaihuai.
Kaihuai is mad at herself and Xuanwen. She is not happy about Xuanwen lying to her about his recovery. She also disappoints herself because she, as a psychologist, falls to know her patient's condition.
Kaihuai thinks she is over Xuanwen, but it turns out that she is still in love with Xuanwen.
Xuanwen tells Kaihuai that he has learned a lot since he met her. Because of her, he begins to accept the world and listen to others' voices.
