Lassie is the pet of Jeff Miller, an 11-year-old farm boy. The two become best friends and enjoy family adventures in the American countryside, teaching each other about love, nature and commitment.

The whitewater raft trip of two couples is interrupted by a visit from four prison escapees who take the women hostage to aid in their escape. The husbands break free from their bonds and raft down the river in hopes of rescuing their wives.