Cassie, Sam, Nick and Grace "play house" as they spend a night away at the family lake house. Hoping to bring everyone together, Cassie faces a few obstacles before they start acting like a family again.
Abigail's father comes to Middleton in hopes of making amends. Cassie helps an expecting couple accept how different their lives, and family, will be once the baby comes. Grace is forced to think about her future and what path she'll follow as she realizes her affinity for math might not be a passion.
An unpublished song written by a past guest at Grey House magically spreads throughout the town, hightening the emotions of those who hear it. Affecting each in a different way, Cassie and Sam learn to communicate about their future together.
Cassie gives those around her pieces of jewelry that magically turn out to be just the thing each have been needing. In search of an engagement ring for Cassie, Abigail helps Sam search for the perfect one-- a legendary Merriwick heirloom that was thought to be lost forever.