Stealth Walker (2021)

In both dramas, the main character goes undercover in the drug world after someone they loved is killed.

The main character is really good at improvising and at getting themselves out of tricky situations.

Both dramas feature a subplot with a scientist making drugs for the drug lord.

In both dramas, the female lead is rash and fearless. She has a goal and she's willing to push herself to the limit to achieve that goal.

Both dramas feature actor Li Zi Feng in a role somewhat similar: he's more kind and pensive while the female lead is the wildcard.

In both dramas, the female lead pretends to be someone she's not and manipulates people.