The adaptation of Keigo Higashino's work," When the Prayer Ends," was not bad from the book to the movie. 'When the Prayer Ends' was adapted into a movie and TV series in Japan. The novel was about family, love and trust. The plot was compact, the suspense was exciting, and it was loved by readers and audiences. Both the novel and the movie received good reviews. Both the book and the movie were worth watching. The novel makes the readers feel nervous and suspense through in-depth analysis of the character's psychology and plot twists. The movie makes the story more vivid through delicate emotional descriptions and exquisite visual effects. Whether it was reading or watching, one could gain a lot.