When Judith's son is admitted with alcohol poisoning, Holly mistakenly calls Judith's estranged husband Paul. Tempers fray when Mark becomes over-protective of Judith and realises he might have feelings for her. Penny is determined to prove she is not too close to Scott. She fails miserably in theatre when she ignores another patient in order to be at his side again. Elliot is not happy. Donna arrives on the ward hungover and scuppers Maria's chance to prove she is capable of running the ward. Maria is furious. Can they be friends after this?