Dr. Ellen Reed returns to work as a therapist only to discover an inpatient has been mistakenly dosed with a deadly mutative drug. With hospital records erased due to a power outage, she must work overnight to identify and discreetly euthanize the affected patient before it's too late.

Dr. Ellen Reed returns to work as a therapist only to discover an inpatient has been mistakenly dosed with a deadly mutative drug. With hospital records erased due to a power outage, she must work overnight to identify and discreetly euthanize the affected patient before it's too late.