Yu Yiming is a romantic private detective who runs a small agency and takes on all kinds of cases. His powers of logical deduction are exceptional, and his keen observation skills let him spot crucial clues in the smallest details, solving one baffling case after another.
His love life, however, is less successful. Most of his blind dates end up at crime scenes, scaring his dates away one by one. The only exception is Zhang Jia, a doctor who is drawn to his talent. As they spend time together, the two develop feelings for each other...
As Yu Yiming solves case after case with intelligence and courage, he cracks several major investigations and earns an ever-growing reputation, becoming a legendary detective known throughout the city.
