Network : BBC One

A man died for a crime he didn't commit...and the murderer is still among them.

The black sheep of the Argyll family, Jack Argyll, was accused of murdering their matriarch a year ago, but now a man shows up on their doorstep claiming Jack’s innocence. The family must come to terms with this news and the fact that the real killer might still be among them.

• Universal Extras
• Panavision UK
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Episodes

Oldest

S01 E01

1 Apr 2018

★ 7.956m

Episode 1

Heiress Rachel Argyll is murdered at her family estate. Eighteen months later, as her widower prepares to marry again, the identity of the murderer is thrown in doubt.

S01 E02

8 Apr 2018

★ 7.859m

Episode 2

Calgary is determined to prove that Jack died an innocent man, but his alibi puts him in perilous danger of his own.

S01 E03

15 Apr 2018

★ 7.758m

Episode 3

The devastating events that led up to Rachel's murder are revealed, and the true identity of her killer is finally unmasked.