Qi Yan, who constantly experienced abandonment and was taken advantage of by his loved ones because of his interests, became silent and cold, with a strong sense of boundaries. He serves as a first-level criminal police officer and squadron leader in the Administrative Detachment of Yong'an Public Security Bureau. As a well-known and talented private detective, Ye Ling is a special investigation consultant for the special case. The two are forced to team up to solve the case. When they first formed a team, there were many barriers, but after one case after another, the two became tacit understanding. Qi Yan also slowly began to be touched by Ye Ling's warmth, but unfortunately he accidentally discovered that Ye Ling was suffering from hidden high-functioning depression, and he began to slowly peel away the layers of mystery...
