Yi Ying disappeared ten years ago. His family searched for him everywhere. After ten years of searching, his family couldn't support him and he died. Yi Ying accidentally traveled to ten years later. Unexpectedly, Yi Ying originally remembered ten years ago. When he arrived at his hometown ten years ago, he wanted to find his family. Poor Yi Ying, his family was dead, but his teacher actually lived in front of him. He felt so strange that his teacher was obviously dead, but actually lived in front of him! A legend, a dark shadow, an old man, a deep well, and a teenage youth.