A woman with a weak immune system owing to the radiotherapy she underwent for breast cancer is bitten by her cat, a minor injury that could cause her serious problems. A 71-year-old with terminal cancer is brought in with breathing difficulties and a decision must be made about whether to resuscitate her if her condition worsens. Meanwhile, a 12-year-old translates for his Brazilian grandmother and a five-year-old has her head wound stitched