Moved all Japanese fans, real-life adaptation, the temple-level game series "FINAL FANTASY" jumped into the live-action movie stage for the first time! Workaholic Lao Dou Iwada Xiao (Yoshida Gangtaro) is reserved and reticent, toiling day and night to support his family, snubbing his son Guangsheng (Kentaro Sakaguchi). Guangsheng, who lacks the care of his father, the only time he really communicated with each other in his memory was when they played the video game "FINAL FANTASY III" together one night in his childhood. One day, Xiao suddenly resigned and retired for no reason, and his family was greatly confused. In order to find out the reasons behind it and get back together, Guangsheng decided to launch the "Father of Light" project! He first recommended Lao Dou to play the multiplayer online RPG game "FINAL FANTASY XIV", and then partnered with the mysterious female player Maidy in the game to train the other party to be a master, taking him and a group of online players through the game. Xiao, who was infatuated with the game, became more and more happy, formed a team with Guangsheng to play the ultimate boss, and revealed the secrets buried in his heart.