While treating an injured man, Lara suddenly finds herself in a life-threatening situation, Merlin discovers a terrible secret about Anna but is unable to discuss it with her, and Jack is distraught when his father wakes up from his transplant operation suffering from septicaemia.
| Creator | Jeremy Brock |
|---|---|
| Actor | William Beck, Elinor Lawless, Neet Mohan |
| Country | United Kingdom |
| Production | BBC |