Xu Wang, who was struggling to live in Beijing, was suddenly forced into a world called Owl one night, and met his former high school crush, Wu Sheng, who was also inexplicably sucked in here. Individuals intersect again, but their lives are completely changed. They form a team with several other friends who have encountered the same experience. During the day, they are ordinary young people traveling all over the world. At night, they will be sucked into the owl to complete a Another level. Frozen idioms, red-eye flights, endless sea... As the level progresses, the operating logic of this strange world becomes more and more clear. Can they make it to the end and return to a peaceful life?