Jess and Cece try to replace the wedding gift sent by Schmidt's mother after they accidentally destroy it during their low-key bachelorette party.
Gibbs leads the investigation into a murder victim found in a taxi headed to NCIS headquarters; Jenny uncovers a secret about her past.
Joel and Zoe buy a house, but then realise they don't have the money for renovations; AnnaBeth plans a last-minute bachelorette party for a friend.
Howard and Sheldon bond over their disappointing fathers. Leonard becomes uncomfortable when his mother befriends Penny.
Andy and Sullivan find a way to stay connected; Ben confronts a tough loss; Jack and Inara grow closer; while off-duty, the crew jump into action to help a mother in distress, but their heroic efforts spark conflict with police officers.