Dead Silent 1999 ( 5.3)

Julia Kerbridge is working hard to get her doctorate. Suddenly, she finds herself the guardian of her young niece, Amanda, after the 7-year-old witnesses her parents' murder and is rendered mute. Julia soon discovers that her dead sister and brother-in-law may have held a secret life. Now, she must risk everything as the killers are still hunting Amanda for her parents' secret.