In Deep(2001)

In Deep is a British crime drama following two undercover detectives who assume false identities to infiltrate criminal networks. Liam Ketman and Garth O'Hanlon are skilled operatives willing to bend the rules, but the toll of their double lives creates mounting pressure. While Liam struggles to preserve his crumbling marriage, Garth guards his personal affairs closely. As they navigate dangerous assignments and moral compromises, both men face the psychological cost of living as criminals to catch criminals. The series explores the tension between duty and personal survival, examining how far these officers will go to dismantle crime from within.