After falling pregnant unexpectedly, sixteen-year-old Catrin is devastated when her neglectful father sends her away and has her baby taken from her. Then she's reunited with her brother Roddy, a trainee doctor, and Catrin determines to change her life for the better, despite her grief, by learning to become a doctor in her own right. But society isn't welcoming to female doctors or unmarried mothers. Will Catrin be able to win her patients' trust and fulfil her dream to help other women like her? And will she ever be able to find the child she's never forgotten?