Tonight, at midnight, you are driving home, because you have to work until evening so you have to come home late. You drive into a tunnel on your way home, you hear a loud bang then the tunnel suddenly collapses, rocks and dirt fall on your car.
A moment later, you hear the sound of police cars and ambulances arriving, and the rescue team begins to rescue the trapped people. Suddenly you hear a scream, then you start to see lights outside, someone is trying to dig up the dirt and rocks. "There are people here!" Your eyes blurred, the rescue worker started to break the car window, you realized it was Jongsuk, your ex-boyfriend . He is a lifeguard .. Jongsuk looked at your weak body full of wounds and blood, his heart ached seeing you hurt. He tried to lift you out of the car.