Fitfully settling into his new home, privileged (and sociopathic) 13-year-old John (Charlie Shotwell) happened upon a deep concrete bunker situated on the property. Of course, his response was to drug his dad (Michael C. Hall), mom (Jennifer Ehle), and sister (Taissa Farmiga), and drop them in-making their survival contingent on his suspect mercy as he made the most of what he considered his newfound freedom.