Chao Xue Lu (2025)

- smart intelligent female lead
- polic officer
- investigation
- murder mystery
- strong smart male lead
- historical romance mystery fiction

-Investigation Plot
- Ditective Lead
- murder mystery
-Action
-Strong Male lead
- Ditective Fiction
- Slight Romance

- Historical romance mystery drama
- Smart leads
- murder mystery
- cold case
- romance during investigation
- revenge

A very similar setup with a case lasting years to solve until the mains work on it.

With some difference being the length of the case in question.

The leads seem to have similar motivations