The staff tries to deal with physical and emotional trauma in the wake of the vengeful gunman's deadly rampage; Derek makes a spontaneous decision to resign as chief and return to surgery.
The team believes they're investigating a custodial kidnapping case after a 13-year-old girl, last seen with her mother, vanishes.
The coal company insists on it's offer to buy the Bennets land and thus Carol attends Mags' party in order to close the deal. Meanwhile, Loretta gets in a pickle with one of Mags' boys and the struggle ends in misery.
Megan and Tommy investigate the savage murder of a young woman, which leads them to her neighbour, who bites Tommy and is diagnosed with rabies.