It's that time of year again. Leaves falling, the weather cooling, foals getting ready for hearts warming eve. What better way to get ready then with deadly Christmas carols from another world.

Shadow, a normal pegasi who don't got any memories about his past, arrived just some hours ago in Ponyville. First he met DeepReader. DeepReader told him to ask Rainbow Dash for an home, but as soon he did that, something strange happened.