Fireflies in the Sun is a 2021 Chinese crime thriller film produced by Chen Sicheng, directed by Dai Mo, and starring Xiao Yang, Janice Man, and Simon Yam. Although the film reunites the same production team and the lead actor of Sheep Without a Shepherd, it is not a direct sequel to that film. It is a remake of the 2002 American thriller drama film John Q., which was directed by Nick Cassavetes and starring Denzel Washington. imdb.com