Posing as baby Wyatt's imaginary friend, a demon works his magic in an attempt to turn the toddler evil. When Piper decides to write a spell to understand what the toddler is saying, she accidentally brings Wyatt from 25 years in the future to the present. Things get tricky when the family discovers that future Wyatt is evil and eventually tries to squash all the good from baby Wyatt. When Leo discovers what the demon is up to, he sets out to help turn Wyatt good again.