Professor of philosophy Abe Lucas is devastated: he does not see in the life neither joy, nor sense.
For the summer Abe comes to teach to small college where it enters the relations with two very different women. Rita, his new colleague, imagines that he will get out her of unhappy marriage. And Jill, his best student, becomes to him the closest friend. But the girl is invincibly attracted by restless creative nature of Abe and his mysterious past, and it moves away from the boyfriend Roy more and more.
Everything changes the conversation which is involuntarily overheard by Abe and Jill after whom Abe, having shaken from itself indifference and despair, decides to act … Absolutely irrationally.