A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.

Forced to confront revelations about her past, paramedic Cassandra Webb forges a relationship with three young women destined for powerful futures...if they can all survive a deadly present.

An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and paramedics of Chicago Firehouse 51, no ...