An old friend of Miss Cheerilee, Mrs. Winter, invites her and the Cutie Mark Crusaders to her mansion for the weekend.

The Crusaders have been preparing for this for a long time. Their excitement is filling the air around them. But in the shadows, somepony lurks. Somepony who has a thrist for blood that cannot be sated.

A son and mother invite them into their home, where their hospitality will be the death of them.

Will the Cutie Mark Crusaders survive... The Longest Night?