Tells the story of a Communist Party's early history during the turbulent era, examining the remarkable Chinese revolutionary leaders' zeal and contrition for the ascension of the Chinese people.

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.