When a family moves into a San Francisco apartment, an opportunistic troll decides to make his move and take possession of little Wendy (Jenny Beck), thereby paving the way for new troll recruits, the first in his army that will take eventual control of the planet. We soon discover Torok is the ex-husband of Eunice St. Clair, a resident in the building who was married to Torok.

The idyllic lives of Phil and Kate seem complete when they select the winsome young Camilla as a live-in nanny for their newborn child. But the lovely young Camilla s not what she appears to be.