A beloved Staten Island teacher is found dead in the home she shared with her husband; an unknown number in her cell phone leads investigators to ultimately unearth her killer.

When a young pregnant mother goes missing in Virginia, her family embarks on a search, but the case goes cold. Years later, investigators find a woman who may hold the key to solving the case.

A young father's murder at work leads investigators to deep secrets about sex, friendship, religion and family.

Nearly 40 years after young wife and mother Cathy Krauseneck is found murdered with an axe in her upstate New York home, a new team of investigators joins the cold case to uncover the killer.

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