En route to a Portland conference with his disinterested teenage kids in tow, undistinguished history professor Lewis Birch (Griffin Dunne) detours to Idaho on the news of his mother's abrupt passing. When his distraught, estranged dad (Stuart Margolin) inexplicably takes off to join a Lewis and Clark re-enactment trek, the pursuing Birches are in for some discoveries of their own. Winning farce co-stars Madeleine Martin, Devon Graye, Cara Buono, Dreama Walker. 104 min. Widescreen; Soundtrack: English; Subtitles: English (SDH); audio commentary; featurette; deleted scenes; theatrical trailer.