The Devotion of Suspect X (2017) is a Mystery, Thriller film that follows based on Keigo Higashino’s award-winning novel, THE DEVOTION OF SUSPECT X follows a professor (Wang Kai) assisting in a murder investigation, only to find that a longtime rival and friend (Zhang Luyi) from his early university days may be involved. Currently, you can watch The Devotion of Suspect X on Amazon Prime Video, Rakuten Viki, Amazon Prime Video with Ads, Cineverse Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 6.3 out of 10 from 19 votes. Fans of mystery movies may also want to explore similar titles below.