Alexa’s past catches up to her as she returns to her exclusive, private high school to investigate the mysterious death of her much beloved former teacher.

It’s been twenty years since Jane Halifax worked in the field, but a sniper is terrorizing the city and Commander Tom Saracen urgently needs her assistance.

Heavy fog at the scene of a massive multi-vehicle accident puts the doctors in danger; Jesse’s confidence has taken a hit; Carla’s condition turns critical.