Will's sympathy for a couple of old friends contemplating fertility treatment soon turns to irritation when they opt to take matters into their own hands.

Tom blows his top when Bridgit breaks the rules by having an affair with a haemophiliac patient, and Sam invests in a controversial new drug.

Tom fears cyclist Nick Pullen is being pushed beyond his limits by an overzealous trainer, while Will clashes with ex-wife Kate over an alcoholic patient.