• Air date: 13 Sep '19 8 episodes
      Talented and successful surgeon Daniel Milton has his world shattered when his wife Beth develops a fatal degenerative disease. After conventional treatment options run out, Daniel partners with the lonely yet resourceful Lee to start a literal Underground clinic in the vast network of tunnels beneath Temple Tube Station in London.
  • List of Episodes (8)
    • 1. Episode 1

      13 Sep '19
      A surgeon's morals are tested after he sets up an illicit clinic beneath London.
    • 2. Episode 2

      20 Sep '19
      The clinic's secrecy falls into jeopardy when Daniel puts Beth's ex-colleague Anna in an impossible position.
    • 3. Episode 3

      27 Sep '19
      Daniel finds he's moving far away from the man he thought he was, as dealing with London's most dangerous people brings big problem
    • 4. Episode 4

      04 Oct '19
      Things grow complicated between Daniel and Anna as they battle to save someone they love. Lee takes a risk that endangers them all
    • 5. Episode 5

      11 Oct '19
      Daniel's descent reaches new depths as he enters the world of organ trading. As police and gangsters close in, Jamie makes an error.
    • 6. Episode 6

      18 Oct '19
      Hall and Moloney get a break in their hunt for Jamie. Daniel faces the ultimate question - how far will he go for someone he loves?
    • 7. Episode 7

      25 Oct '19
      Daniel crosses a line from which he can never return. Lee's forced to make a big decision about the clinic. But will it be too late?
    • 8. Episode 8

      01 Nov '19
      As Mercy and Keith close in, Daniel, Lee and Anna discover just how far they'll go to save themselves.