Murder In Mind

The last story in the series is not among the best, but is well worth watching, if only for a succession of ingenious plot twists.

Keeley Hawes plays Deborah, a postgraduate student who has been having sleep trouble, suffering from frightening - and exhausting - bouts of sleepwalking.

Her boyfriend is not only unsympathetic but generally obnoxious and their relationship crumbles when Deborah accuses him of having an affair and he storms out.

The following morning, she wakes up and, to her horror, finds a bloody hammer tangled up in her bedsheets. What has happened? Could she have killed the errant boyfriend in her sleep? Is she going mad?

A talky script spends too long setting up the mystery, but once all the elements are in place, it certainly keeps you guessing.

Indeed, as you enter the final straight, you still don't know if a murder has been committed at all. If someone has been killed, who is it? And who did the deed?

All is revealed in the final minutes.

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