「第22屆日本HORROR小說大賽」讀者獎話題之作《記憶使者》改編
大學生遼一（山田涼介 飾）與戀人杏子（蓮佛美沙子 飾）多日失聯後相見，遼一才發現杏子喪失了所有與他有關的記憶。似曾相識的事情也曾發生在青梅竹馬真希（芳根京子 飾）的身上，而這一切似乎與都市傳說中，可以將人的記憶消除的「記憶使者」有關。在前輩律師高原（佐佐木藏之介 飾）以及真希兩人的幫助之下，遼一逐步追查戀人失去記憶的真相。他發現「記憶使者」的存在拯救了許多人，消除記憶不一定是壞事，因為人們心中有許多殘酷、痛苦、令人「想忘記的記憶」。那麼，杏子又為何僅僅忘記關於自己的事呢……。

Ryoichi Yoshimori (Ryosuke Yamada) is a university students. His girlfriend Kyoko Sawada (Misako Renbutsu) is older than him, but he enjoys his time with her. After Ryoichi Yoshimor proposes to his girlfriend, she suddenly disappears one day. Several days later, he finally sees her again. Kyoko Sawada does not have any memory of him. Ryoichi Yoshimori is stunned, but he suspects her memory loss is related to the Kiokuya rumor. A person named Kiokuya is reputed to erase the memories of people. He talks to Chiaki Takaharu (Kuranosuke Sasaki), who is a lawyer and attended the same university, about his situation. Ryoichi Yoshimori searches for the cause of Kyoko Sawada’s memory loss and gets help from childhood friend Maki Kawai (Kyoko Yoshine) and Chiaki Takaharu’s assistant.