After swearing off dating for a full year, Leah quickly learns her new commitment has made her a magnet for men.

The graduating class at Osborne High is being targeted by a masked assailant, intent on exposing the darkest secret of each victim, and only a group of misfit outsiders can stop the killings.

Follows intense character journeys and high-stakes medical rescues, heartbreaks and tribulations of budding nurses and pilots flying air ambulances.