Due to a near impossible twist of fate a child is born as his own human familiar, the first changeling not rooted to the laws of the Darklands. The "Prince of Enchanters" was in fact a Prince. So with the power of Merlin flowing in his son's veins, Tobias must help Severus master control of his troll form, so that none may discover his existence.

In a desperate move to feed her starving son, Eileen Snape calls upon the last vestiges of her neglected magic and locks herself in her animagus form. With the fate of an unforeseen future altered, what further changes will the start of this butterfly's effect bring about to the life of her little prince and the lives of the people around him?

There are times where innocent school boy pranks will go too far. Formally 'An Interrruption," now a three-part.