Twenty years after the vanishing of her girl, “The Apology” recuperating alcoholic Darlene Hagen (Anna Gunn) is planning to have her family’s Christmas festivity with her dearest companion Gretchen (Janeane Garofalo). Late Christmas Eve, Darlene’s alienated ex-brother by marriage, Jack (Linus Roache) shows up unannounced, bearing nostalgic presents and a weighty mystery. Before long, Darlene ends up got among reason and heartless impulses. Caught together by a perilous tempest, a clash of brains raises a vicious round of retribution.