SS-GB: Watch trailer from episode two of BBC's epic alternative history drama

Here's a first preview of the next episode of BBC One's epic new drama SS-GB.

Adapted from Len Deighton’s 1978 alternate history novel, and starring Sam Riley and Kate Bosworth, SS-GB continues Sunday night at 9PM on BBC One.

SSGB is a complex thriller focusing on British Detective Douglas Archer. Forced to work under the brutal SS in occupied London, Archer is determined to continue to do his job in the service of his country, but against impossible odds.

In this week's secod episode, a warning that the Resistance is planning to kidnap Dougie sends Archer racing to his son's school choir practice - but with Huth trailing his every move, Archer finds himself compromised and the children in danger.

Harry feels betrayed that Archer didn't trust him with the tip-off from Sylvia, and warns Archer that Jimmy is too inexperienced to handle such an important case - but will Archer take his advice?

Meanwhile Huth tries to piece together the charred remains of the burned scientific formula found at crime scene, demanding that Archer assist him in hunting down the Resistance. Morally torn and in dangerous waters, Archer's dilemma deepens further when he is introduced to Colonel George Mayhew.

The Resistance is playing a long game which stands to rid the country of the Nazis once and for all - but at what cost?

And as he gets closer to Barbara Barga, Archer begins to suspect that her mysterious influence runs even deeper than he had thought.

SS-GB, BBC One, 9PM on Sunday

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