I captured a few shots from the season 2 trailer, and the key point is Park Yeon-jin, who never changes her expression in front of her husband, Ha Do-young. thief
To make Ha Do-young, who has a dandy and gentle personality and doesn't get angry easily, do something like that... Well, Park Yeon-jin must be quite the sociopath.
It seems clear that Park Yeon-jin's mother was also a poor woman who became a pimp and made a fortune by working as a partner with that police officer.