Sean Penn scripted and directed this engrossing true-life drama based on Jon Krakauer's bestseller about Christopher McCandless, a 22-year-old college grad who, in 1990, dropped out of society to hitchhike to the Alaskan wilderness. Leaving all his possessions behind, McCandless (Emile Hirsch) embarked on a life-changing-and ultimately tragic-cross-country trek. With Marcia Gay Harden, William Hurt, Vince Vaughn, and Hal Holbrook. 148 min. Widescreen (Enhanced); Soundtracks: English Dolby Digital 5.1, Dolby Digital stereo Surround, French Dolby Digital 5.1, Spanish Dolby Digital 5.1; Subtitles: English, French, Spanish.