For Valentine's Day, Lily and Marshall invite Robin and Kevin on a weekend getaway to Vermont, where Kevin and Robin discuss taking their relationship to the next level. Meanwhile, Barney realizes he has finally met his match.
After a Navy Captain is murdered in his hotel room, the NCIS team has to find his pregnant companion and protect her from unknown assailants. Meanwhile, Jimmy brings his future father-in-law to work.
Zoe is in the center of a town scandal when she discovers something shocking about the local minister and his wife. Lemon must convince Lavon to choose her funding proposal.
Zoe finds herself anxious that her ever-critical mother will soon be visiting BlueBell for the holidays. In order to avoid spending quality time with her mother, she busies herself with a patient, but potentially ruins Christmas Eve for the whole town.
Zoe searches some family history and discovers -- much to Lemon's displeasure -- that she is a legacy to the BlueBell Belles. Wade helps Lavon get back into the dating scene.