Lin Yuxin was mistakenly switched at birth and raised as the Shen family's daughter for twenty years. When Shen Kerou approached the Shen family, Yuxin discovered she wasn't their biological daughter. Upon discovering the truth, the Shen family mistreated her, prompting Yuxin to seek her biological parents, the Lin family. Shen Kerou discovered that Ji Chuxu's savior was the Shen family's daughter and decided to impersonate her. When Ji Yan'an was confirming Lin Yuxin's identity, Shen Kerou interrupted, showing a scar on her arm. Ji Chuxu believed Shen Kerou was his savior and proposed to her. She accepted, and the Ji and Shen families planned the engagement party. As Lin Yuxin's business grew, she planned to rent a shop. Shen Kerou, wanting to eliminate her, hired thugs to assault her...
