Miyuki Asakawa tells her colleague Etsuko Yamagiwa that she has a ghost in her home. When Etsuko goes to Miyuki's home, there is only Miyuki's father there. Etsuko becomes worried about Miyuki's state of mind, and she takes Miyuki to the psychiatric hospital where her husband, Tatsuo, works. There, Miyuki receives a diagnosis that she lacks the concept of "family." Later, Etsuko tells Tatsuo that she is not comfortable with Dr. Jirō Makabe. Tatsuo introduced her to Dr. Makabe earlier at the hospital. Etsuko has a feeling of unease about her husband working with Dr. Makabe. One day, Etsuko hears Dr. Makabe state "I came to Earth to invade."

劇中では、役者を目指し上京した若者・岩松翔太が、生まれ育った海辺の街の高齢者施設で演劇を教えることになり、そこで働く山下タカラとある事件をきっかけに逃避行を始めるさまが描かれる。

2017年电影《散步的侵略者》的番外篇连动日剧，由夏帆，染谷将太，东出昌大出演。

同時和兩個女人交往的什，看似逼不得已，但其實那猶豫不決、容易受人擺佈的性格，才是真正的萬惡之源！就在什對自己感到迷惘、不安之際，卻又因為一場車禍的發生，而與一陌生女子開始一段糾葛不清的情誼。什能夠看透自己的心，找到真愛嗎？

2021 film directed by Yukiko Sode