In the third installment of this epic saga, The McClane family faces new challenges. They will combat a deadly disease that could kill them all, outside complications from an embattled nearby city, and potentially dangerous strangers living on their farm. Their safe haven of security and isolation that they've worked so hard to preserve could come to an end. While Reagan and Doc work tirelessly with their ill patients, tensions mount between the Rangers and the unwanted guests. Even though the McClanes have established rules, boundaries will be violated which further incenses the soldiers. Relationships deepen, secrets are exposed and the family is forced to make an important decision. Their bond will strengthen as they experience love, tough decisions and a deepening commitment to each other. John's feelings for Reagan intensify, but will he ever break down the protective barrier around her heart? Follow this story all the way to its climactic ending full of twists and surprises around every corner.