'Shutter Island' trailer delivers the goods!

The first trailer for Martin Scorsese's "Shutter Island" has just exploded onto the Web, and you should definitely check it out below. It totally delivers the goods.

The film tells the story of two U.S. marshals, Teddy Daniels (Leonardo DiCaprio) and Chuck Aule (Mark Ruffalo), who are summoned to a remote and barren island off the coast of Massachusetts to investigate the mysterious disappearance of a murderess from the island’s fortress-like hospital for the criminally insane.

"Shutter Island" is based on the novel by Dennis Lehane and stars Leonardo DiCaprio, Mark Ruffalo, Ben Kingsley, Michelle Williams, Patricia Clarkson, Max von Sydow and Jackie Earle Haley.

As you can see below, the film promises to be an intense psychological thriller with a bunch of twists and, judging solely by this preview, vibrant performances. I for one can't wait, and the film will open Oct. 2, 2009.