Shen Qingyun, a medical elite, met Murong Lanshan, a talented businessman, after her dependent father died mysteriously. Feeling helpless, she decided to accept the fake marriage agreement proposed by Murong Lanshan and work together to find out the truth about her father's death. Just when everything was on track, the sudden appearance of Shen Qingyun's former high school classmate Han Yan made things even more complicated, and the subtle relationship between the three became even more confusing...