Starring Jay Chou and Lam favourite Nicolas Tse as estranged brothers on opposite sides of the law, the action hopscotches from the Middle East to Malaysia and back to Hong Kong as Chou leads an anti-terrorist unit to track down Tse's character before he can unleash a deadly weaponised virus.
The film promises wall to wall mayhem and bloodshed, alongside a healthy dollop of family melodrama just to keep things grounded in reality. THE VIRAL FACTOR will be hitting Hong Kong screens in January and Emperor have finally released the full theatrical trailer for your enjoyment. Check it out below.