Otto Powell is summoned to the hospital's theatre where Richard Truscott, is about to make a rather serious mistake. Otto and his ever-faithful anaesthetist Charlie Enderbury have been called out for a private operation.

After meeting him, Otto realises the extent of Mulligan's obsession and determination. Elizabeth confesses what has been going on and they hatch a plan.

Richard discovers Jean's deception over the miscarriage. Otto's fascination for Angela continues, but she is uncomfortable about being pursued by a married man.

Charlie is anxious and distracted after a brush with the law which could have serious consequences. Elizabeth attempts to reason with Mulligan.

Angela gets a cruel reminder that Otto is married and Elizabeth feels powerless against Mulligan.

Otto asks Angela to accompany him on an overnight visit to a cottage hospital in Dorset. Mulligan makes his proposal to Elizabeth.