After being dumped by her ex-boyfriend for Duan Wanqing, Jiang Nana joins the Qin Group. She accidentally kisses Qin Yanzhou, which triggers the time travel of 26-year-old Qin Yanzhou, who has long grieved for his deceased wife, sending him back to one year prior. Determined to rewrite the tragic fate and protect Jiang Nana, Yanzhou stirs up countless misunderstandings in the process. He gradually uncovers Jiang Nana’s true identity and exposes a conspiracy buried for years. In the end, the whole truth comes to light on his birthday.
