Build a movie plot around this: Who explains Kane's history to Daine? Tangina.
The answer to this question is:
One year after the events of Poltergeist, Cuesta Verde, the Freelings' neighborhood from the first film, is being evacuated and turned into an archaeological paranormal dig centered around the spot where the Freelings' home stood before it imploded. The excavation leads to the discovery of an underground cave by a ground crew. Its existence is revealed to psychic Tangina Barrons (Zelda Rubinstein), who tells a friend of hers, Taylor (Will Sampson), a Native American shaman. After investigating the cave for himself, Taylor realizes that Rev. Henry Kane (Julian Beck), a deceased, insane preacher, has located Carol Anne and goes to defend her.The Freeling familySteven (Craig T. Nelson), Diane (JoBeth Williams), Robbie (Oliver Robins), and Carol Anne (Heather O'Rourke)has relocated to Phoenix, Arizona and now live in a house with Diane's mother, "Grandma Jess" (Geraldine Fitzgerald). Having lost his real estate license, Steven is reduced to selling vacuum cleaners door-to-door while filing repeated insurance claims to cover the missing home. Grandma Jess is highly clairvoyant, and says that Diane and Carol Anne are clairvoyant as well. Grandma Jess later dies from natural causes, but not before telling Diane one last time that she'll always "be there" if she needs her.Taylor shows up as Kane begins his first assault on the home. Unable to get in through the television as the family has removed all television sets from the home, Kane's minions are forced to find another way in, this time through Carol Anne's toy telephone. The attack fails, and the family gets out of the house quickly. Taylor introduces himself and convinces them that running would be a waste of time since Kane would only find them again, and they return to the house, which Taylor has made safe for the time being.Kane himself shows up at the home one day in human form and demands to be let in, but Steven stands up to him and refuses. Taylor congratulates him for resisting Kane, and then takes Steven to the desert and gives him the "Power...