Fox Searchlight and Danny Boyle (28 Days Later, Sunshine, Slumdog Millionaire) have firmed plans to make their next collaboration 127 Hours, a film that tells the story of mountaineer Aron Ralston who went through hell on his climbing expedition. Ralston’s right forearm got pinned for nearly five days under a boulder during a climb in Utah in May 2003. He used a dull knife to amputate the limb, then scaled a 65-foot sheer wall and hiked out before running into a family that gave him water and food. He was finally rescued by helicopter. Boyle will direct the film, with production to begin next year for a late 2010 release. Pic is financed and distributed by Searchlight in partnership with Pathe. Boyle has written a treatment, and Simon Beaufoy is in talks to write the script, and Christian Colson will produce.