John Quincy Archibald is a father and husband whose son is diagnosed with an enlarged heart and then finds out he cannot receive a transplant because HMO insurance will not cover it. Therefore, he decides to take a hospital full of patients hostage until the hospital puts his son's name on the donor's list.
When the daughter of a psychiatrist is kidnapped, he is horrified to discover that the abductors' demand is that he break through to a young woman, suffering from PTSD, who knows a secret six digit code number.
