en Cuevana 3. A powerful one-off drama written by Rosemary Kay , winner of the BBC's Dennis Potter award for new screenwriting. Sadie and Richie MacGregor are thrown into the terrifying world of neo-natal intensive care when their son Luke is born prematurely. Willed on by his desperate parents, he gradually grows in strength - but as Sadie develops a unique bond with her son, her relationship with Richie begins to suffer.