but if any of anna mae's heirs have plans for that land, she's about to throw a monkey wrench into them. >> when grandma died... >> mm-hmm? ...there was a brown] >> tell me about it. >> an envelope changed my life. >> inside that envelope is a document that names debbie's uncle bob, her mother velda mae, and debbie as heirs and trustees, and instructs the three of them to hold the property jointly for the benefit of the animals. >> grandma put a trust together for the animals, and it's clearly stated that as long as there was one animal and one person that came back, then the animal park would be there. >> in other words, if one of the trustees wants to keep the chimp farm alive, the other two cannot shut it down and sell off the land. anna mae must have known it wou be just one person -- debbie. >> that one thing she did changed my life forever. i had to either help the chimps or walk away. >> how much was the land worth when you inherited it? >> somebody said that it was worth about $6 million. >> here's the point where a strange inheritance splits a family apart. debbie's mother and uncle, she claims, push her to give up the chimp farm so