Taxi driver Tom is waved down by Kathy, a lost and distressed young woman who has had a row with her husband. A traumatic first encounter leads to further meetings.

Tom and Kathy have acknowledged a need for each other and take their affair further. The more carelessly passionate the affair becomes, the greater the danger of discovery.

Kathy's affair with Tom has been discovered by friends of her husband. Further exposure seems certain, and the consequences will be painful and threaten to destroy them all.