Moon Geun-young's behind-the-scenes clip about tvN's new Monday-Tuesday drama "Catch the Ghost" poster has been unveiled. "Catch the Ghost" is a top-of-the-line combo investigation drama that the subway police force that guards the area solves a case to catch a serial killer called a subway ghost.

Moon Geun-young plays the role of a ghost, a new member of the subway police force who is united by a sense of justice in the subway police force.

In the unveiled poster behind-the-scenes clip, Moon Geun-young perfectly expresses the various emotions of "ghost," from a bright expression to a serious and charismatic look. It is said that Moon Geun-young, who showed her depth through a passionate subway police "ghost," played a role of vitamin with her signature bright and positive energy during filming.

Meanwhile, the new images of Moon Geun-young have been revealed through teaser videos, which are fueling expectations among viewers. In particular, Moon Geun-young's welcome is greater than ever, as she is returning to the TV drama for the first time in four years. Moon Geun-young will perfectly express her confident and passionate "ghost" with her ever-changing charm as well as action scenes.

Moon Geun-young, who has already shown her acting skills, which dominates the stage beyond movie and TV through a number of works, has even recently enjoyed entertainment shows with her cute and cheerful charm. Attention is focusing on whether Moon Geun-young's passionate passion and sincerity, which is devoted to each piece, can shine in "Catch the Ghost."

tvN's new Monday-Tuesday drama "Catch the Ghost," which is expected to feature a different aspect of Moon Geun-young, will premiere at 9:30 p.m. on Oct. 21 as a follow-up to the "Great Show."