Enemies In-Law (2015)

Chul-soo is the only son of a legendary thief family. He falls in love with Young-hee who is a police officer. Her family is also a police family. To get her parents’ permission to marry, Chul-soo undertakes an exam to become a police officer, but both families work to prevent their marriage.
Original title: 위험한 상견례 2 (2015)