Daniel wants to forget the bunker ever existed and reunite his family, but when his wrongdoing catches up with him, he is in danger of losing everything. Meanwhile, Anna threatens to go rogue, Lee is faced with a crisis, Beth's recovery is tainted by suspicion, and Eve is leading a secret double-life.

A desperate Daniel gets a lifeline as he and Gubby perform an operation at the foreign embassy, while Anna crosses a moral line to get what she needs for her trial. Beth comes to a horrifying realisation, and Lee has an epiphany after meeting Eve.