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

The clinic's secrecy falls into jeopardy when Daniel puts Beth's ex-colleague Anna in an impossible position.

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.

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?

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?

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.

Daniel is summoned by Gubby, Anna crosses a moral line, and Beth makes a horrifying realisation. Lee has an epiphany after meeting Eve.

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.

A surgeon's morals are tested after he sets up an illicit clinic beneath London.

As Beth awakens from her coma, Daniel's world continues to close in, as the police - and his wife - look for answers.