In the present, after serving 15 years in prison for the murder of Alexandra Forrest, Daniel Gallagher is paroled with the goals of reconnecting with his family and proving his innocence. In the past, 2008, Dan celebrates his 40th birthday and first meets the charming colleague whose death would eventually lead to his incarceration and the destruction of the life he knew.

In the past, a look into Alex’s personal and professional life outside of Dan and a retelling of the events of their affair from her perspective. In the present Dan reconnects with Beth and hoping to find evidence to exonerate himself, begins his investigation with Mike resulting in a visit to Brooker.

A retelling of the emotional impact of Dan’s betrayal from the perspective of Dan's wife, Beth. As the Gallagher's settle into their new home, Beth meets potential buyers for the house they are leaving and tries to ignore the gut feeling that something is not right in her marriage, until tragedy strikes and makes that impossible.

In the past after a chance encounter has deadly consequences, Dan decides to confess to Beth about his affair with Alex, while Alex's actions against the Gallaghers only get more severe. By the end of the day Dan's fate is already sealed, even if he doesn't know it yet. In the present Ellen bonds with a new friend while Dan meets an old colleague for lunch and information.