Delightfully Deceitful

Beneficial scam (Korean: 이로운 사기) is a TV Series. It starts airing on 2023-05-29. It ends airing on 2023-07-18.
The broadcasting station is tvN (2023). A work depicting the revenge of two very different people, an unsympathetic conman and an overly sympathetic lawyer, against absolute evil.
Lawyer Moo-young (Kim Dong-Wook) is rumored to be a vampire. In fact, he is not a vampire at all; he has incredible empathy.
A patient suffering from his powers, Moo-young has doubts about life behind the mask and ends up making a dangerous decision while defending a murderer!
Roh-moo (Chun Woo Hee), a genius in security who was released from prison 10 years ago, selects Mu-young as his lawyer.
Yeong encounters something he could never have imagined while entangled with the dangerous man Rohm, who is said to be "unsympathetic." The Korean TV series "Useful Scam" is a story about a conman who is unsympathetic, a lawyer who is too empathetic, and a
This is a story about the revenge of two people who are too ruthless against absolute evil. Produced by Studio Dragon. Streaming on U-NEXT. Actress Lee Ro-eum plays the genius conman with an outstanding brain and incredible memory.
The role of the handsome and cool lawyer Han Moo-young is played by actor Kim Dong-wook, and the role of Go Yo-han, the probation officer who protects and monitors Ro-eum, is played by actor Yoon Park.
So Jin plays Mo Jae-in, a psychiatrist and Moo-young's doctor.