The holidays are meant to be a time of holly jolly fun, spending time with friends and family, and celebrating the magic of friendship. You usually couldn't pay most ponies to take a work shift on Hearth's Warming. Redheart, of course, loves the Hearth's Warming shift. It's her favorite time of year, and she can spend it with the only friends and family she has: her patients.
But this particular Hearth's Warming might be different.