The Walkers' plans to celebrate Valentine's Day go horribly wrong when Tommy tells Sarah about another secret that Nora has kept buried since they were kids, and Saul's hopes for a romantic evening with Jonathan are dashed by a visiting high profile food critic.

Nora and Sarah fly out to Washington DC to "surprise" Evan for his birthday, but what they're really after is the truth behind Kitty's extended trip to the east coast. Meanwhile, Kevin and Scotty are thrilled to have officially signed the papers to be Olivia's parents, but the excitement quickly fades when Olivia seems a little nervous about moving in and starting a new life.