During a blizzard in 1964, Dr. David Henry delivers his son Paul with the help of nurse Caroline. But when Henry realizes his wife is also carrying a girl with Down syndrome, he hands the second child over to Caroline without his wife's knowledge. Henry's fateful decision yields grave consequences for his family over the next 20 years.

Emily Watson
as Caroline Gil

Dermot Mulroney
as Dr. David Henry

Gretchen Mol
as Nora Henry

Krystal Hope Nausbaum
as Phoebe

Rob Stewart
as Howard

Hugh Thompson
as Al

Martha Irving
as Supervisor

Mary-Colin Chisholm
as David's Mother

Emma Colbert
as Phoebe 6 years

Tyler Stentiford
as Paul 13 years