Notes
When Siu-Man jumped from her window on the twenty-second floor, everyone assumed it was suicide. But Sui-Man's sister is determined to prove it was murder. The police aren't interested in re-opening a solved case so she contacts a man known only as N. - a hacker and expert in cybersecurity and manipulating human behaviour. What follows is a cat-and-mouse game through the vibrant city of Hong Kong… 
