"Good One" is a journey story. A teenager agrees to a weekend camping trip with her dad, Chris, and a family friend, Matt. On one level, the struggles are predictable: One character gets car-sick, another forgets a sleeping bag, another believes that he communicated certain requirements about his wardrobe (but in fact a miscommunication has occurred). On a different level, everything is a surprise. Though it's a work of fiction, this seems to be a movie about real people (which makes it rare). Chris has issues with his contracting business, because he lies to clients, then expects the clients to be magnanimous and forgiving. He has cheated on his wife, then sought solace with a woman half his age; because he is under the young woman's spell, he has agreed to raise an infant (though he, Chris, is 60 years old). Also, Chris enjoys antagonizing his friend Matt (which is odd, given that neither Chris nor Matt is a middle- or high-school student). The central teenager see...