However, when he realises Kit has also fallen out of the window, he throws out a chain for Kit to hold on to, but Ko Chun grabs the chain instead. Kit then grabs on to Ko Chun's tie and eventually strangles him to death while dangling from his tie. Chatchai stretches out his hand and pulls Kit back to safety. The movie ends with Sa now growing up narrates that she got the transplant and remembers Chatchai hugging his daughter while Kit watches from a distance away. With a budget of US$23 million, filming started on 1 May 2014 and concluded on 6 September 2014. The first trailer was released on 23 March 2015. The film was released in Hong Kong and China on June 18, 2015. The film grossed an estimated US$43.36 million in its four-day opening weekend, debuting at No. 2 at the Chinese box office behind "Jurassic World" and third place worldwide behind "Jurassic World" and "Inside Out". On Review aggregator Rotten Tomatoes the website gives the film a score of 100% based on 23 reviews, with an average rating of 7.17/10. Metacritic, which uses a weighted average gives the film a score of 73/100 based on 9 reviews, indicating "generally favorable reviews." On "The Hollywood Reporter", Elizabeth Kerr called the film "a tight, entertaining action flick". Joe Leydon of "Variety" called it "a martial-arts noir melodrama that neatly entwines operatic outbursts of emotion with bodacious bouts of butt kicking." Derek Elley of "Film Business Asia" gave the film a score of 6/10 and called it "a big, splashy mess, with a chaotic script." The third film in the "SPL" series, "Paradox", was released in China and Hong Kong on 17 August 2017 and 25 August 2017, respectively. The film featured Wilson Yip returning to the director's chair while Cheang Pou-soi served as producer and stars Louis Koo, Tony Jaa and Ken Lo returning in different roles alongside new cast members Gordon Lam, Wu Yue and Chris Collins. Sammo Hung, who appeared in "", served as the action director for "Paradox".