A teenager awakes to discover her father, a popular high school drama teacher, stabbed to death in his bedroom. Questions are raised about whether she truly didn't hear his desperate final struggle, and if his biggest secret made him a target.

A mother is shot to death while her young daughters lay asleep in the same room; baffled investigators wonder if an open door invited an intruder in, or if the killer is someone else she trusted who has been in the house all along.