getting treatment. >> sara helps family face the unfaceable. she is one of a dozen social workers at friends of karen, an organization that supports the >> how many families are you working with right now? >> i have a case load of about 40. >> four-zero? >> four-zero. >> this is the process. she started losing her hair. this is her twin sister, zoey. >> take the case of 14-year-old zariyah giddy and her family. their world was turned upside down when she was diagnosed with sarcoma in her leg. what's it like to hear that your child has cancer? >> uh. it's -- i'm sorry. getting emotional. it's the worst thing possible to hear. it's really heartbreaking. it really is. >> hello! how are you? >> good.