Doctors Joanna Stevens and Roz Parker wrestle with a moral dilemma involving the murder of businessman Geoff Hart, found burnt to a crisp in his car in dense woodland. Hart's daughter Susan confesses to Roz during surgery that she murdered him but Roz refuses to tell the police declaring confidentiality is of prime importance in her job. Joanna and Dangerfield plead with her to divulge what she knows and when DI Ken Jackson finds out that Roz is withholding evidence, he puts pressure on her to spill the beans by threatening to arrest her.

This still doesn't change stubborn Roz's mind and it falls to Dangerfield to end up persuading Susan to confess. She eventually does but by a twist of fate, so does her mother Jenny in a bid to cover up her daughter's involvement in the crime. Due to two identical confessions and not enough evidence, DI Jackson cannot charge either of them and he, along with Joanna and Dangerfield, blame Roz for not speaking up sooner. Roz is disgusted by their acc