Similarities:
•Set in The republican era (1930s Tianjin)
•a group of 2 guys and 2 girls investigating cases (and no the girls aren’t annoying ! )
•Both IQIYI dramas

What’s different:
•this one is more on the fantasy type

Both set in a similar time period , mid 1920s and 1930s , both having some Agatha Christie inspiration, smart male and female leads . Well written cases and good pacing .