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When twins Lindy and Kris find a ventriloquists dummy in a Dumpster, Lindy decides to rescue it, and she names it Slappy. But Kris is green with envy. Its not fair. Why does Lindy get to have all the fun and all the attention? Kris decides to get a dummy of her own. Shell show Lindy. Then weird things begin to happen. Nasty things. Evil things. It cant be the dummy causing all the trouble, Can it?