She could imagine how much determination it took for Clara, who was bent on retaining custody in the first place, to make the decision to give it to Wilson Birch.
If Clara wasn't sick, and if her illness wasn't that hard to cure, she would probably never have made that decision.
A flash of surprise passed through Jackson's eyes. "What's her sickness?"
"Liver cancer," Serenity said, "It's already in the third stage. Only a liver transplant will do, but Clara's blood type is special, so it's ha