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.
Written by Sophie and last updated on feb 06, 2023.
PS: The following content contains spoilers!
PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!
Daniel is confronted with the consequences of his actions; Lee's horizons widen when he meets Eve's friend, Ash; Anna is determined to get results at any cost.
The episode was rated 6.98 from 63 votes.
Daniel and Anna decide to go on a road trip that has the capacity to change the course of their lives forever.
The episode was rated 7.12 from 49 votes.
A desperate Daniel and Lee deal with a dangerous medical fixer. Beth decides to pursue her research. Eve's horror at Daniel's duplicity is offset by an amazing discovery.
The episode was rated 7.20 from 70 votes.
Daniel is summoned by Gubby, Anna crosses a moral line, and Beth makes a horrifying realisation. Lee has an epiphany after meeting Eve.
The episode was rated 7.22 from 69 votes.
A surgeon's morals are tested after he sets up an illicit clinic beneath London.
The episode was rated 7.22 from 380 votes.
As Beth awakens from her coma, Daniel's world continues to close in, as the police - and his wife - look for answers.
The episode was rated 7.24 from 85 votes.
Daniel discovers the price of defying Gubby; Lee and Ash go on a reconnaissance mission; Anna's reckless behavior comes to a head.
The episode was rated 7.24 from 58 votes.
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
The episode was rated 7.30 from 245 votes.
Things grow complicated between Daniel and Anna as they battle to save someone they love. Lee takes a risk that endangers them all
The episode was rated 7.33 from 205 votes.
Daniel's descent reaches new depths as he enters the world of organ trading. As police and gangsters close in, Jamie makes an error.
The episode was rated 7.35 from 192 votes.
Daniel refuses to let his daughter pay for his mistakes; Lee and Ash prepare to change the world; Anna is surprised by what she finds at the pharma company.
The episode was rated 7.39 from 49 votes.
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?
The episode was rated 7.44 from 179 votes.
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?
The episode was rated 7.47 from 175 votes.
The clinic's secrecy falls into jeopardy when Daniel puts Beth's ex-colleague Anna in an impossible position.
The episode was rated 7.48 from 304 votes.
As Mercy and Keith close in, Daniel, Lee and Anna discover just how far they'll go to save themselves.
The episode was rated 7.98 from 178 votes.
