

As drugs flood the streets of '90s Britain, a team of civil servants is thrust undercover to topple the gangs behind it.

As drug deaths surge in '90s Britain, the government turns to a veteran customs investigator to recruit a novice unit for an unprecedented covert mission.
Aired: 5/7/2026
Customs recruit Guy faces tests that threaten to blow his cover. Meanwhile, the team in Liverpool chase the scent of a suspicious bakery.
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