Margot, a world-renowned pianist, returns to Chateau Newhaus to spend the holidays with her family and is reunited with an ex who helps her rediscover her passion for music.
A recently single Jessica sends Christmas cards to people who have impacted her life—the aunt who raised her, her younger brother in the military, a popstar who was part of the soundtrack of her life, the music teacher who inspired her, and the best friend who always tells the truth.
The POstables are on a mission to deliver a soldier's letter from Afghanistan to a teenager who's being relentlessly bullied, while Oliver's estranged father surprises him with news that shakes him to his core.