Forever Seeking

Kate's mum is fatally ill, no doctor on earth has been able to diagnose her condition, all they're aware of is that her life is running short and there's nothing they can do. Kate refuses to watch her mum waste away, at fourteen she possess' an old head on young shoulders.
Eventually, after much persuading, a new option is available. Planet relocation.
Kate is so desperate she agrees, thus abolshing the life she may have led on earth. Even on the new rather hospitable planet they cannot afford to pay for a major operation. However Kate is willing to do anything to raise enough money, whilst her mum's condition slowly deteriorates...