Casualty - Season 31 Episode 35 End of the Road

Now that Grace is living with Sam, Connie and Hugo have become a contented family unit of their own. However, when Hugo's father Jim gets in touch, and tells Connie he is planning to take Hugo back, the troubled youngster runs away. Determined to keep him from harm, Connie, Jim, Jacob and Phil, a policeman receiving treatment in the ED, mount a search. Meanwhile, Lily returns to work to get closer to Iain, but proves she is still not quite at the top of her game when she fails to notice a patient rescued from the ruins of a collapsed building has tell-tale track-marks on her arm