David Livingston has fallen -- and fallen hard -- for Marcus. With some confusion and a lot of nerves, he's taking Marcus home to the family for Christmas. With a high school sweetheart in the picture, lots of family around, and lots to do, there's not much time for privacy. Too many pulls on his time and too many emotions swirl away in David's heart. Is he gay? Is this just a one-shot deal with Marcus, just a way to explore a mere curiosity? Or is it something deeper, something that will change his entire life? David and Marcus have to make some tough choices all in the middle of Horsing Around.