An amazing story happened to high school students Han Suri and Eun Ryu. After a car accident, the souls and bodies of young people separated and began to live independently. But if the body can continue to exist peacefully without a soul, then the soul will disappear in a week. The souls of the guys need to find a way to overcome the invisible wall blocking the path to their bodies. The guidance of the Guide of Souls, a mysterious messenger from the other world, will help them with this. Will the souls of young people have time to return to their bodies or will they follow the Guide to another world? Will Han Suri and Eun Ryu, having survived all these difficult trials, be able to change their outlook on life, accept and forgive themselves and the people around them?