Quite a lot of this reminded me of "Tron" (1982) as "Cheuk Ka-chun" (Aarok Kwok) finds himself the new chief executive of a software security company that he discovers is being used to facilitate some pretty huge money laundering operations. Using sophisticated firewall evasion and backdoor programmes, billions of HK dollars are being pinched from banks that are being simultaneously thrown into chaos whilst they are robbed. The police suspect him, and have him in for questioning when $800k appears in his bank account - exactly the sum he needs to ensure his ailing daughter gets the…