After three years of dating and on their wedding night, Lin Zhi discovered the truth about his girlfriend Su Wan's affair with school sweetheart Shen Yu'an. Those promises of "keeping one's integrity" were all lies. He saved money for Su Wan to squander, but his salary card became their love fund. As a lawyer, Lin Zhi put aside his gentleness and carefully planned revenge, so that the betrayer would be ruined and clean. In revenge, he met Zhao Jinlan, who was also betrayed. The two injured people went from a tacit understanding to running in both directions.
