This Sunday on Brothers & Sisters, the Walker family shares love and loss on Valentine's Day. In "A Valued Family," Sarah rediscovers the love of her life, Luc (guest star Gilles Marini).

Excited? We're sure she is. Except for the small matter of Roy. Sarah's latest love interest has grown on her, but he's clearly the "safe" choice. Will her heart lead her to Luc instead?

Here's a clip from the February 21 episode ...

[video url="http://www.tvfanatic.com/videos/a-valued-family-sneak-preview/" title="A Valued Family Sneak Preview"] [/video]

Elsewhere in SoCal, Kitty makes an entrance into politics with her family and new campaign manager Buffy (guest star Cheryl Hines). Meanwhile, Justin and Rebecca face the struggles impending parenthood brings, and Holly makes a decision about her Ojai shares.

Click to enlarge some photos (of Gilles as Luc) from the episode ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.