There are local politicians and police to bribe, local gangs to placate, the CIA to avoid and threats to be made - and carried out. With business done from luxurious houses and superyachts Richie thinks life can't get any better, until a computer nerd working in the basement of a casino discovers the truth about Block's empire.
And, what do you know, all is not all as it seems, and the cat-and-mouse game between mentor and protege begins.
A lot of attention has gone into how Runner Runner looks.
The girls are sexy, the clothes retro cool and everybody is tanned in the extreme - think Miami Vice transported to Costa Rica. Director Brad Furman keeps the action moving briskly in the hope we don't realise just how light and loose this story really is.
But, no matter how good all this looks, there's not enough tension to keep us on our toes and not enough depth of character to make us care how it all plays out.
Stars: 2/5
Cast: Ben Affleck, Justin Timberlake, Gemma Arterton
Director: Brad Furman
Running time: 91 mins
Rating: M (violence, offensive language and sex scenes)
Verdict: Slick but generic and derivative thriller