A Clint Eastwood action spectacle (which he also directed) about international intrigue and mountain climbing. Eastwood plays a retired professional assassin who has turned toward the calmer pursuit of art collecting. Suddenly, he is forced out of retirement and finds himself on a hunt for a deadly double agent that has murdered his close friend. The hunt takes Eastwood on a breath-taking journey up the Swiss Alps with a team of mountain climbers. One member of this team is the man he seeks, though his identity is as yet unknown. This top-notch action film, based on the novel by Travanian, features some of the most exciting mountain climbing sequences ever filmed.