Desperate to escape her lonely days, she began placing letters addressed to herself into her neighbor's mailbox. A kind young man noticed and delivered the mail to her. After that, she kept dropping more letters into the mailbox—twice, three times... He gradually started to catch on, but she couldn't stop herself from wanting to see him. One day, as if testing her feelings, he gently kissed her. Then, he pushed her down and took her body... A heart-wrenching love story begins here.