In the aftermath of their fight, Jack owns up to his drinking problem as Rebecca connects with their children. Randall shocks Beth by revealing his plan to honor William's legacy.
Kate and Rebecca support Jack as he deals with his alcoholism. Kevin steps into his old shoes for Manny's 100th episode. Kate deals with her self-esteem issues that resulted from comparing her singing to Rebecca's.
Kate forms an unexpected bond on the set of Kevin's movie. Randall and Beth discover a disturbing fact about their new foster daughter's past.
Jack and Rebecca stand up for Randall when a familiar face leaves him feeling alienated. A well-meaning offer from Randall causes Deja to lose trust in Beth.
Rebecca confronts a face from Jack's past. Jack takes his boys camping in an attempt to encourage them to forge a bond. Kevin spirals out of control as his dependency on pain medication increases.
Randall questions Rebecca about his adoption. Kevin and Kate confront the problems in their lives and decide to lean on each other. Randall and Beth prepare for a new life as parents.
As Jack and Rebecca fight to have Randall's adoption finalized, Rebecca makes a touching plea to keep her son. Unbeknownst to him, Randall keeps William from breaking a promise he has long held to.
As Kevin deals with the loss of his planned future, Jack comes through to console and support his son. As he reflects back on his life, Kevin reaches his breaking point as he loses a cherished pendant.
As Kate suffers a terrible loss, she struggles not to lose the progress she has made in her life as she spirals out of control. Rebecca shares her own experience with loss to help Kate.
Randall reflects on his family life and the struggles that faced his three parents as he faces a difficult choice about Deja. Things come to a head when Kevin's attempt to seek help from Randall places Tess in danger.
As Kevin goes into rehab, the experience trumps up some hard truths about the Pearsons and Kevin's place in the family. Rebecca tries to find a way to communicate her love for Kevin.
Jack considers a new business venture that he has long dreamed of. Miguel confronts Kevin about the latter's rejection of him. Kate makes a new friend at her support group.
Kate tries to deal with an old trauma in order to obtain a gift for Toby. Kevin confronts the futility of wishing he could apologize to his late father. A faulty appliance starts a fire in the Pearsons' house.
As the circumstances surrounding the tragedy of Jack's death are revealed, the Big Three struggle to find a way to honor their father while dealing with the leftover trauma of his loss.
The family car stands witness to the joys, losses, worries, fights, and memories of the Pearsons.
Toby and Kate's bachelor and bachelorette parties bring to surface hidden tensions. Beth deals with what Deja's absence is doing to her. Kate reveals an old resentment of Beth.
A look into Deja's life reveals a history of struggle on the part of her mother, and suffering on Deja's own part as the burden of an unstable life weighed her down. Randall and Beth go to great lengths to support Deja.
Kate seeks closure to her grief over Jack as her wedding day approaches. Toby clashes with his parents who oppose his marriage to Kate. Deja deals with the aftermath of her mother's departure.