超级动画大片《Talking Head》上映两个月前,监督丸轮零突然失踪,而影片还未制作完成。制作公司“八百马力”的老板无奈只得请来“我”作为替补监督,目的只有一个:模仿失踪的监督丸轮零作品的风格,将《Talking Head》制作完成。为达成这一目的,“我”对剧组的每一个成员都进行了接触和了解,务求找准感觉。谁知就在这个过程中,剧组成员却一个接一个地离奇身亡。究竟谁是凶手?“我”能够克服重重困难将影片完成吗?A revered director with an obscure style, Rei Maruwa, has gone missing during the production of his latest animated feature, Talking Head. With the deadline approaching and next to no progress made, the producer calls in a "shadow director" with the ability to mimic any director's style. Arriving at the studio, he begins meeting with the eccentric crew members in order to understand the project, but soon they begin dying in the same order that he met up with them.