Natalie allows her classmate Jeff, who ran away from home after a fight with his stepfather, to stay at her place while her father is away on a business trip. Natalie soon starts dating Jeff's friend James Casey, who isn't as faithful as she thinks, while her best friend Polly falls in love with baseball player Zoo Knudsen.
At Kichijōji Station, Tokyo, Taku Morisaki glimpses a familiar woman on the platform opposite boarding a train. Later, her photo falls from a shelf as he exits his apartment before flying to Kōchi Prefecture. Picking it up, he looks at it briefly before leaving. As the aeroplane takes off he narrates the events that brought her into his life...
When New York psychiatrist Bill Capa visits Los Angeles to take over his murdered colleague's therapy group, he finds himself embroiled in the thick of a mystery when he bumps into Rose and begins a torrid affair.
As her marriage dissolves, a Manhattan writer takes driving lessons from a Sikh instructor with marriage troubles of his own. In each other's company they find the courage to get back on the road and the strength to take the wheel.