Brothers and Sisters - Season 4 - Eps 15: A Valued Family
The Walker family shares love and loss on Valentine's Day as Sarah rediscovers the love of her life, Kitty makes a grand but heartfelt entree in to politics with her family and new campaign manager by her side, Justin and Rebecca face the struggles of impending parenthood and Holly makes a tough decision about what to do with her shares of Ojai.
About Brothers and Sisters

Title: Brothers and Sisters
First Air Date: 2006-09-24
Last Air Date: 2011-05-08
Status: Canceled
Rating: 7.1/10 (from 182 votes)
Language: EN
Seasons: 6
Total Episodes: 109
Network: ABC
Genres: Drama
Production Companies: ABC Studios, AfterPortsmouth Productions, Touchstone Television, Berlanti Productions
Synopsis
The close-knit Walker family deals with struggles and triumphs.
Cast

Dave Annable
Justin Walker

Sally Field
Nora Walker

Calista Flockhart
Kitty Walker

Rachel Griffiths
Sarah Walker

Matthew Rhys
Kevin Walker

Ron Rifkin
Saul Holden

Luke Macfarlane
Scotty Wandell

Gilles Marini
Luc Laurent

Patricia Wettig
Holly Harper