These are several men and women who grew up, worked, and lived in the city. They are still in their thirties and have seemingly glorious social status, but they all have varying degrees of confusion. In the top financial circles, in authoritative private hospitals, in courts where interests and justice conflict, there are still complicated and confusing single murder cases. Same friendship, different love, will they go further and further apart because of their gradually divergent ideas? . . Who is the right person? What kind of stories will happen to them in the bustling international city? What kind of friends will they encounter? What kind of difficulties and what kind of love will they encounter? . .