When Claire takes Manny and Luke along to Alex's academic decathlon for the weekend, Phil attempts to throw together a boys' night at the house, inviting a fellow Bulldog alum he just met - but their wires are definitely crossed.
Ann's friends try to set her up on a date for Valentine's Day, while Ron and Andy try to help Ben solve Leslie's series of complicated riddles to reveal the location of their Valentine's Day date.
The virtual world and the real world collide when a microbrewer is killed; Angela starts seeing someone new; Jane and the team mentor underprivileged teenagers.
Proof that a suicide note was not written in the deceased's handwriting sends Lily and the team in search of a killer in the 1962 death.
Melinda struggles to help a ghost who blames Jim for his death.