After graduation, civil engineer Chen Mo took down a job in the project department, working day and night just to give his girlfriend a stable future, but he suffered emotional betrayals one after another. His first love girlfriend was vain and money-loving, so she teamed up with her project boss to plot him to the end. Not only did her love break up, but her career was also framed and collapsed. She was even framed and murdered at the construction site, and she almost died. When he hit rock bottom, only his gentle and kind-hearted colleague Su Wan stayed with him and helped him survive the desperate situation. Chen Mo, who returned from hibernation, launched his revenge step by step, letting the evildoers who plotted against him reap the consequences. After experiencing betrayal, conspiracy and redemption, Chen Mo finally let go of the past and joined hands with Su Wan, who treated him sincerely. In the end, the villain ended up in despair. He also had a successful career, got married to his lover, and kept his warm and true love in the dark city of steel and concrete.