Zhang Tianliang and Zheng Weilong have been close friends since secondary school. Both of them often get themselves into trouble, and ended up being suspended from school. They were forced to be loanshark runners due to the debt Weilong owed, little did they know in the process, they indirectly caused the death of one of the debtor’s wife, Wan An’s mother, thus causing Wan An to bear a grudge against loanshark runners. Tianliang injured someone while helping Wen Shuying and was sentenced to jail. He turned over a new leaf after this incident and became a lawyer upon his release. 张天亮和郑伟龙从中学起就是好友，两人经常打架闹事，被学校开除。因伟龙欠下大耳窿的钱，两人被迫当上跑腿，间接害死了一名欠债人的妻子，也就是婉安的母亲，但天亮却毫不知情，婉安因此对大耳窿跑腿深恶痛绝。天亮为帮一女子温书莹，犯下严重伤人罪，被判坐牢。出狱后他重新做人，当上律师。