The Cold CEO's Substitute Darling

After a fateful encounter with He Lianhao, a CEO feared by all, Bai Yiyi finds herself trapped in an abyss. To protect the Bai family and keep their peace, she signs away her freedom in a contract, swallowing her resentment. He Lianhao's doting affection makes her fall for him. But just as their love reaches its height, she discovers that she is only a substitute. Their faces are alike, but they are two different people. Which of them is He Lianhao's true love?