It’s one of Britain’s biggest secrets, and it begins with a love story. Young activists united in their fight for justice. But then, cracks start to form. What’s real, what isn’t and where do the lies begin?

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

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Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

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The perfect relationships are free of secrets. But these aren’t the perfect relationships. As the years go by, things begin to unravel - starting with the men themselves.

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

Hosted on Acast. See acast.com/privacy for more information.

One by one, the men vanish. As the search begins, the girlfriends start to question what they’re really looking for - and who they’re actually in love with.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

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The mask slips, the relationships unravel, and as lies are uncovered, so too are the men behind them. Plus, for the very first time, our stories collide.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

Hosted on Acast. See acast.com/privacy for more information.

It’s a thin line between spying and meddling. And it’s one that's only faintly drawn in the manual once given to new undercover police officers - written by a familiar name.

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

Hosted on Acast. See acast.com/privacy for more information.

Each woman has a fragment of the truth. When they put the pieces together, the true scale of the deception starts to emerge. But as they edge closer to the full story, there's an obstacle in the way: the police.

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

Hosted on Acast. See acast.com/privacy for more information.

Police spies have infiltrated homes – and hearts. Now, they face a public inquiry. But why did they dupe women into relationships in the first place? Who sanctioned it? And will all the women and children involved finally receive an apology?

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies |

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan |

Hosted on Acast. See acast.com/privacy for more information.

The spycops' relationships were built on a bed of lies – including their marriages. In this final episode of the series, we hear about the shattering impact of the undercover policing scandal. And the truth catches up with the men.

Bed of Lies Series 1: They have the perfect relationship, until one day he vanishes. Her hunt leads to other women just like her - and a web of state-spun lies. Cara McGoogan investigates the untold story of the "spycops" and the undercover policing scandal.

Read Cara’s notebook: www.telegraph.co.uk/bedoflies

Sign up to our most popular newsletter, From the Editor. Look forward to receiving free-thinking comment and the day's biggest stories, every morning. telegraph.co.uk/fromtheeditor

Get in touch: podcasts@telegraph.co.uk and on Twitter @cjmcgoogan

Hosted on Acast. See acast.com/privacy for more information.