Consumed with envy and resentment, a woman becomes a nanny to her half sister's daughter and starts to wreak havoc on both of their lives.Consumed with envy and resentment, a woman becomes a nanny to her half sister's daughter and starts to wreak havoc on both of their lives.Consumed with envy and resentment, a woman becomes a nanny to her half sister's daughter and starts to wreak havoc on both of their lives.