After the events of their first Hearths Warming Eve together, and the revelation about Gallus' family, or lack there of, Silverstream comes to a shocking realization: Gallus has never had a birthday party! Silverstream decides to correct this as soon as possible, so she recruits the rest of the Young Six to put together a surprise birthday party for their griffon friend.

However, as all of his friends are busy planning this surprise, Gallus can't help but feel that his so called friends are avoiding him. Feeling alone and abandoned on this day, Gallus unknowingly finds himself in a vulnerable position ripe for manipulation.