Alison attempts to move on from tragedy and build a lasting relationship while contending with the judgment of others and her own self-doubt. Her lover Noah tries to balance the temptations of success, the family he left behind, and the woman he loves. Noah’s former wife Helen attempts to piece her life together while navigating divorce proceedings, caring for her children, and her parents’ noxious influence. Cole, Alison’s former husband, struggles to overcome past heartbreak and start a promising new life. Yet the long-term ramifications of the affair continue to shape these lives, and will lead to an event that changes everything once again.
Noah and Helen attempt to conduct amicable divorce proceedings. Surprising developments in Helen's life lead to unexpected emotions.
Alison's summer with Noah is interrupted by an unwelcome guest. Cole's self-destructive lifestyle causes everyone to become concerned.
Noah's undying love for Alison leads to serious consequences. Alison discovers a surprising truth about how to sustain a marriage.
Helen makes an innocent mistake that leads to outrageous consequences. A court order leads to a dire setback for Noah and Alison.
Alison is thrown by a shift in behavior from her hosts, and furious with Noah after a chance discovery. Cole rejects Scotty's plan to make money - but not before Scotty catches him in a situation best kept secret.
A medical emergency casts Helen and Noah's litigation process in a new light, causing Helen to make a long overdue decision. The dynamic of Noah and Alison's relationship shifts as troublesome discoveries are made.
Alison's mother raises concerns about her and Noah's new lifestyle. Alison confronts Noah about his book. Cole lashes out at Luisa and is further alienated from his family in the wake of startling revelations.
On the college campus where they first met, Helen is amazed to see Noah in a new role, and bewildered by Whitney's future plans. Meanwhile, Noah is in danger of spinning out of control as his fame and related temptations escalate.
Alison weathers a momentous journey alone. Helen receives unexpected attention from a sexy yet exasperating source. Noah faces a terrible reckoning. An array of challenges pushes Cole to the very edge.
Noah grapples with essential questions. Alison begins to doubt a recent ambition, and renewed interactions with the Lockhart brothers force her to consider a harrowing possibility.
Cole and Luisa take a serious step forward. Meanwhile, a series of revelations cause Noah to reconsider everything he thought he knew about Alison - and a momentous decision Alison makes may just end their relationship.
Events set in motion long ago come to their conclusion. Alison is honest with Noah -- and herself. A dispute between Cole and Scotty is followed by tragedy. Meanwhile, a turn in Noah's trial results in a shocking event.