A young Jack makes a decision that will impact the course of his life.

Rebecca and the Big Three reckon with secrets Jack kept from them. Jack's Vietnam story continues to be revealed.

Kevin attempts to help Nicky. Randall and Kate reflect on differing memories of their childhood.

Rebecca hosts a dinner party. Kevin tries to support those around him. Randall faces concerns about how his family is adjusting to their new home.

The Pearsons gather to celebrate their 40th birthday while musing about the day they were born.