The E3 trailer explores the dark side of undercover police work, as lead character Wei blurs the lines between his lawful duties and criminal activities.
Sleeping Dogs is an open-world action adventure that promises to show the darker side of Hong Kong.
Players will control Wei, an undercover cop who attempts to integrate himself into the city's criminal network.
Square Enix recently revealed the game's box art, featuring the work of innovative US artist Tyler Stout.
A limited edition of the game will also be available, containing new missions, costumes and character bonuses.
Developed by United Front Games, Sleeping Dogs will release for Xbox 360, PlayStation 3 and PC on August 14 in North America and August 17 in Europe.
> Sleeping Dogs' preview: Take down triads and cops with martial arts
> Sleeping Dogs' inspired by 'Infernal Affairs', John Woo films
> E3 2012: Day One Round-up
> E3 2012: Day Two Round -up
Watch the behind-the scenes trailer for Sleeping Dogs below: