Detailed plot introduction of Sudden Heartbeat: Lawyer Xiao Guanpeng had an affair with his client Cong Fangfei during a business trip. After the incident, he deeply regretted it and confessed the truth to his wife, Ye Shuang. After making a decision, Xiao Guanpeng decided to break up with Cong Fangfei. However, a fact was put forward - Cong was pregnant. After knowing this, Ye Shuang angrily kicked Xiao Guanpeng out of the house, and her mother-in-law also made a big fuss at his workplace, making the situation increasingly serious. Cong's ex-boyfriend, Jiang Dawei, stepped in, indicating that he was willing to accept Cong. While the two were on their honeymoon, they unfortunately got into a car accident. Dawei passed away, Cong lost her baby, and she temporarily lost her eyesight. Greatly affected by these events, Cong lost her confidence in life.