Steven murphy, a skilled cardiothoracic surgeon, finishes an open heart surgery,and later goes to a diner where he meets a teenage boy named martin. the precise nature of their relationships is unexplained. afterwards,steven returns home to his wife, anna,and their children,kim and bob. the next day,steven reveals his connection to martin ,claiming he is a schoolmate of kim's,when martin unexpectedly comes to speak with steven at the hospital .steven later privately tells anna that martins father died in a car accident 10 years ago, and that he has taken an inetrest in the boy to help him grieve. at stevens suggestions.