"SPL: The Last Blood" is a 2017 action film directed by Soi Cheang. It is the third installment in the SPL series, following the events of the previous films. The story revolves around a police officer who seeks to bring down a powerful crime syndicate involved in human trafficking and drug trade. The film features intense martial arts sequences and showcases the talents of actors like Donnie Yen and Louis Koo. It explores themes of justice, sacrifice, and the struggle between good and evil, all set against a backdrop of gritty urban environments.