It's Shay and Haytham's first Christmas together and because of reasons Haytham's son Connor is staying with them.

+ Haytham is a Grinch,
++ It's like Connor's first Christmas ever because of reasons
+++ Shay wants everything to be perfect and everybody to be happy, especially for Connor
++++ Haytham does too (secretly)
+++++ Shay does everything (the shopping, cleaning, cooking, hassling Haytham to sign presents)
++++++ Edward and Jenny cameo