A family of four isolate themselves to their Chicago home following an outbreak of a modern strain of the deadly bubonic plague. A family of four isolate themselves to their Chicago home following an outbreak of a modern strain of the deadly bubonic plague. A family of four isolate themselves to their Chicago home following an outbreak of a modern strain of the deadly bubonic plague. A family of four isolate themselves to their Chicago home following an outbreak of a modern strain of the deadly bubonic plague.