Mark and Mary Beth Harshbarger were, to some, the perfect couple. In 2006, they took their ideal vacation: a hunting trip to Newfoundland, Canada. But when Mary Beth took a shot at what she said she thought was a bear, this perfect couple's world was torn apart.
Halstead's (Jesse Lee Soffer) partying with Camila (guest star Anabelle Acosta) unintentionally puts him in the middle of a drug-related homicide. He's forced to choose between loyalty to his unit and his girl. Meanwhile, Voight (Jason Beghe) finally discovers the mole in his unit.