Urban: One Pen Triggers Perfect Accidents

Orphan Ye Yuan lives with his girlfriend Ye Mengwei. After Wang Luo and Wang Yan from the Wang family hit Mengwei, turning her into a vegetative patient, Ye Yuan goes to justice but ends up in prison for five years. Inside, he uses his mathematical talent to derive a formula for fate. Upon release, he sets a trap that causes Wang Luo, known for reckless driving and evil deeds, to have a car accident, vowing to eliminate the Wang family, a toxic weed in Jiangcheng.