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Grieving Helen and her daughter Lauren, at odds, probe the death of Helen's sister, a top math professor. With the help of Lauren's math tutor Kristy, they uncover a shocking familial betrayal.

Kristy

Helen

Lauren

John

Detective Morris

Susan

Dr. Teller

Mr. Cook

Trish

Pleasant Woman

Kristy

Helen

Lauren

John

Detective Morris

Susan

Dr. Teller

Mr. Cook

Trish

Pleasant Woman