A detective investigates unsolved murders that all have a common thread.
A tenacious detective refuses to let a murder cold case go.
An officer dies during a traffic stop, and his nephew is the only witness.
A woman disappears, but a crude map may hold the secret of her whereabouts.
A woman dies of an apparent hit-and-run, but the truth is far more twisted.
A mother is missing, and police believe her toddler son watched it unfold.