W: Two Worlds Apart

Behind a beautiful face hides a cruel nature—Baek Ah-jin, who sees through and manipulates others' hearts. After stepping on the sacrifices of many to reach the top, everything begins to change the moment she arrives there. A woman wearing a mask to escape hell and climb to the highest place. And the story of the Xs being brutally crushed by her.

Seok, an eager yet genius neurosurgeon is reunited with Deokhee, the professor who ruined her life long ago. Once, the two surgeons cared for each other more than anyone else. But now with nothing but hatred toward each other, Seok is furious that he is back in her life and vows to take revenge.

A psychotherapist finds himself held prisoner by a serial killer with an unusual request: curb his homicidal urges.

Faced with ruthless foes with a violent thirst, two young boxers band together — risking life and limb to bring justice and protect their loved ones.