To make their first anniversary an unforgettable memory, Yoon-hee and Jung-hyun depart on a road trip to the countryside. While savoring their time together, they unexpectedly meet a stranger named M after Jung-hyun runs him over by accident. Luckily, the strange man doesn’t get hurt, but, to their surprise, he later shows up at every destination the couple arrives at. He continues to harass them even at the most intimate, unexpected moments. Jung-hyun becomes furious and ...more

To make their first anniversary an unforgettable memory, Yoon-hee and Jung-hyun depart on a road trip to the countryside. While savoring their time together, they unexpectedly meet a stranger named M after Jung-hyun runs him over by accident. Luckily, the strange man doesn’t get hurt, but, to their surprise, he later shows up at every destination the couple arrives at. He continues to harass them even at the most intimate, unexpected moments. Jung-hyun becomes furious and finally beats M up and gets dragged into jail, but M asks to settle things by proposing a trip together for three days. While with M, their gloomy foreboding gradually grows into fear as they learn that he’s a maniac serial killer. They try desperately to get away from him, but M pops up at every corner. Their fear and hatred reach a climax, and Jung-hyun is faced with a decision he may regret for the rest of his life.less