A deadly nuclear disaster turns the world into ruins. Six survivors with different personalities form a temporary team to survive in the deserted city. Not only do they have to face the harsh environment, resource shortages, and the threat of homeless people, they also need to solve the trust crisis and psychological trauma within the team. As the journey progresses, the six people gradually establish a deep friendship and understanding, and use humor and wisdom to face endless challenges. Everyone's secrets and dreams are gradually revealed, they heal and support each other, and eventually grow into each other's most solid support on the doomsday journey to find a "new paradise". The story has a compact structure and ups and downs, crises and laughter, healing and excitement coexisting.