A single mother is threatened by an intruder in the opener of this docudrama series, which features reenactments of emergency calls. Also: A gunman opens fire in an Illinois sporting-goods store; a grandmother contemplates the use of deadly force in Oklahoma.

A pregnant woman is attacked in her Denver home; two girls fall into a frozen lake in Indiana; and a single mother is threatened by her ex-boyfriend in North Carolina.

A man abducts his previous wife, and holds her hostage due to unresolved issues. A mentally unstable male opens fire on a suburban neighborhood in Ohio. A widow in California carefully contacts authorities when an unknown burglar attempts to discover a way into her house.