It's alot similar to this drama
it's in retro too from 1997 and it has full team detective like family
they catch corrupt and gang members too
so it's the most similar to this drama and bonus in the first shot drama there is bromance added to the mix

Both are detective dramas
Both have friendship between two male leads
Both have one of the male leads with a traumatic past
Both have grave crimes

Both friendship dramas
Both detective dramas
Both have the male lead with a traumatic past
Both have grave crimes

Both school dramas
Both bromance dramas
Both friendship dramas
Both youth dramas
Both are chinese dramas

Both school dramas
Both friendship dramas
Both youth dramas
Both are chinese dramas
Both are funny dramas

Both school dramas
Both bromance dramas
Both friendship dramas
Both youth dramas
Both have boys as main leads

Both school dramas
Both bromance dramas
Both friendship dramas
Both youth dramas
both funny dramas

Both school dramas
Both bromance dramas
Both friendship dramas
Both youth dramas
Both are chinese dramas

both are republican era drama
Both are propaganda for the initiation of the communist party in chaotic times
Both have the main lead, a young man who is fighting for his dreams and his patriotism

Both dramas talk about dysfunctional family and two brothers
Both dramas have horrible parents to their boys
Both dramas have brothers with psychological problems

Both dramas about memory loss and painful past
Both dramas about injustice
Both dramas are melodramatic sometimes

Both have bromance
Both have romance
Both youth drama in school setting
both are modern-day friendship dramas