A trio of high school boys get summer jobs at a seaside resort. Soon, however, they learn that the woman who runs it is in financial trouble. The three decide to help her.
Harue Hashimoto is a popular mystery writer. She always talks about murder tricks to make it look like an accident with her friends Mayumi Tsukasa, a singer, and Miki Kitamura, an editor. Miki has a habit of saying that she wants to kill her boyfriend Kyosuke Takamaki.
