December Solstice

S16 E16: Celebrity author Walter Briggs (guest star Robert Vaughn) is the focus of a feud between his sixth wife, Charmaine (guest star Marcia Cross), and his daughters from previous marriages (guest stars Emily Bergl and Susan Pourfar). The fight over control for both his well-being and his estate becomes a criminal case when Charmaine is accused of abusing her husband. Meanwhile, Barba (Raul Esparza) struggles with his own family drama when he goes against his grandmother's wishes.