This is a story about three friends who share a common past. However, some of them would like to forget about this past forever. But due to various circumstances, they are unable to do so. This time, the main characters are forced to relive their traumatic memories of one night twenty years ago when one of them decides to write a book about it. Was it worth revisiting the past and stirring up memories? What could this lead to for the characters after 20 years?