Holby City: Season 20, Episode 40

20 - 40: Inscrutable

As the hospital reels from tragic news, Sacha takes on a marathon operation, but Dom is concerned that he is attempting to do too much too soon. Serena is pulled in all directions when Leah, a new junior doctor, struggles with a problematic first patient, while Fletch feels he should spend some quality time with his dad after Steven's heroics while helping Mikey.