How to face sorrow, benevolent people see benevolence and wise people see wisdom, and then the world is divided into two schools, the worry-forgetting school and the worry-relieving school. The powerful Forgetting Sect eventually took over the world, and they were able to give people a chance to go back to the past. However, the Worrying Sect who retreated to the frontier discovered that something was strange. This was not a simple return to the past, but might be more like a conspiracy...
