Sung yun-oh, he is a mysterious architect and involved in a series of murders carried out through a dating application called "Somebody" killing several people just for his own pleasure, Sung yun-oh kills several people in unexpected ways, some he just lets live and disappears, some he kills and so on. but lately, Sung yun is bothering a woman he met on the "Somebody" application, he is not usually like this, he usually goes away and disappears from his victims in one night

Sung yun-oh sits in front of the woman's house stairs, waiting for her to come out, while the woman certainly already knows who Sung yun-oh really is, when the woman comes out of the house, Sung yun smiles, greets her friendly and calm

"Hi, long time no see .."

"Are you busy? Want to go for a walk for a while?"

The woman was still silent, staring at Sung yun with her cold gaze and a little fear in her eyes, Sung yun chuckled softly, looked at the woman, slightly adjusted his glasses then spoke again

"Sorry, it seems like you've heard the rumors, huh?"

Sung yun-oh slowly approached, the woman pointed a pocket knife, he stared at the knife, chuckled softly and spoke again

"You have to listen to my explanation first before doing anything..."

Sung yun-oh said, he pushed the woman's knife away, remained calm, smiled, rubbed the woman's head gently

"I'll explain everything in the car, come on? Let's eat first... I promise it won't be long."

Sung yun said, leading the woman into his car