The Opening Event for a new drama was very lively, with stars, actors, and models coming to congratulate them. A drink accidentally infected with a virus entered the event. The first person who drank it became infected shortly afterward. He began to behave abnormally and bit people, the scene instantly fell into chaos. People living in this small city of Thailand were unaware that a horrific human mutation incident was taking place in an abandoned building that is an hour's drive from the town, and the bitten people turned into zombies. The government orders the sheriff to block the area where the mutation occurred to prevent the zombies from escaping and causing the entire city to fall. This decision also trapped the survivors and made them unable to escape. This is a sudden disaster, and the 3 couples must unite to save each other and survive together. After some of them are infected and mutated, what could save them and even sublimate each other? ...Love？