Around midnight, on the northern riverside road, a 4-car accident occurs, resulting in one fatality. Coming out of a Mercedes Benz, Do Yeop and Sang Kil start to argue with married couple Sang Do and Pal Nyeo. In another car, there is depression support group member Yeo Na and the president of the depression support group Jung Sang. There's also an awkward father and son, Ho Man and Ji Yong. They all
