Barbara's Marriage and Departure
Presumed InnocentThis flow traces Barbara's estrangement from Rusty, her support during his trial, and the separation that follows their conflicting secrets.
increasing
Bearing strength in each event
decreasing
A Marriage Already Strained

A Marriage Already Strained
Two inward lives
Barbara pursues mathematics and retreats into private study, while Rusty struggles to understand the intensity of her interests and her moods. Their household is held together by routine and their shared devotion to Nathaniel, but communication is already limited.
The affair's exposure
Rusty confesses that he has been involved with Carolyn. Barbara responds with anger rather than comfort, seeing his behavior as another instance of his willingness to serve his boss and neglect his family.
A crisis given a cause
The affair gives their longstanding dissatisfaction a concrete subject. Barbara believes Rusty remains obsessed even after Carolyn's death, while Rusty cannot relinquish his role in the investigation or the private grief attached to it.
Support in the Courtroom

Support in the Courtroom
A public show of loyalty
Barbara appears beside Rusty at arraignment and trial, helping the defense show that their family has not abandoned him. She provides money for his legal fees and stays present despite her dislike of public attention.
A family under pressure
Nathaniel's nightmares at camp reveal the cost of Rusty's prosecution to their child. Barbara eventually tells Rusty that the boy should return home, but she has kept the concern from him while trying not to add to his burdens.
Intimacy without certainty
The crisis brings the couple closer in some ways, including renewed sexual intimacy and daily dependence. Yet Rusty withholds much of his fear and suspicion, and Barbara's support cannot erase the history of anger or the concealed truth of the murder.
Detroit and Separation

Detroit and Separation
A decision postponed
Barbara reveals that she has accepted a teaching position in Detroit and had intended to tell Rusty before the murder case consumed their lives. Nathaniel will move with her, making the separation also a major change in Rusty's relationship with his son.
The truth spoken
Rusty tells Barbara that he killed Carolyn, while framing his confession as an attempt to explain his obsession and the marriage's possible future. Barbara reveals that she killed Carolyn, and says she had been prepared to tell the truth during the trial.
No return to the old marriage
Barbara says she cannot feel safe living with Rusty and leaves, though they later remain legally married and tentatively reconciled at a distance. They share responsibility in ways neither can fully explain, but their former domestic life does not return.
Before and during Rusty's affair
Summer through the August trial
Fall after Rusty's acquittal