Rex represents a bipolar 8-year-old boy who was given up by his adoptive parents because of his violent outbursts; Lynn and Naoise assist a priest in his efforts to gain custody of a son he never knew existed until the boy's mother died.

A woman who is only 23 weeks pregnant wants doctors to induce labor so stem cells from her baby can be used to save her 8-year-old son, who's dying from aplastic anemia. But the doctors are hesitant because the infant will likely die.