Raj and Howard try to figure out Sheldon's secret daily afternoon routine. Meanwhile, jealousy takes over Leonard and Penny's relationship.
While House and his team treat a blind man, House's mother Blythe tells her son about her new relationship.
Dan tracks the life of a young girl who runs away from home. Katie finds something out about Livia's past. When Dan is involved in an investigation, it causes more problems between Dan and Jack.moreless