The story of two young men as they accidentally find themselves living together during the final 13 days before the world ends. Art, an business student who lost his memory in an accident, wishes to go back to his hometown to recover his true identity. However, at the time of his accident, the government announces the impending end of the world and orders the evacuation of the population to bunkers. Golf is a medical student with a tumultuous family and relationship history, leaving him completely alone. He has never felt truly loved, and wants nothing more than a chance at that "true love" before he dies. He chooses to join Art in his search for himself. As the chaos spreads, the two find themselves being hunted by a two men who have made it their mission to kill as many people as possible before their extinction. Through this, and the tribulations they go through, they forge a bond and are forced to navigate their feelings towards each other with what little time they have left.