In Season 2 of the much-loved drama, family life grows infinitely more complex for the Walker clan as growing challenges, fundamental changes, and new revelations place burdens on the siblings' relationships. Kitty quickly learns the reality of being involved with a public figure while Sarah must come to grips with her failing marriage. Their brothers Kevin and Tommy both must deal with repercussions of promises they've made and new romantic possibilities. Half-sister Rebecca tries to find her place in her new extended family and everyone struggles with the impact another tour of duty has on Justin. Fortunately, their mother Nora taps into strength she never knew she had and discovers new ways to bring everyone together. Each celebration, each adversity, each episode is a reminder to all that family is everything.