Charlotte and Jacob are unsettled by the arrival of a new colleague, Mia, and an old flame, Leo. Meanwhile, Alan finds a surprising new ally.

Mia encourages Charlotte and Jacob to reconnect but it soon becomes clear she’s manipulating them to get exactly what she wants.

Charlotte and Jacob’s romantic trip to Antwerp takes an unexpected turn after the arrival of a third person. Meanwhile, an investigation is launched at the hospital.

Jacob and Charlotte try to work out how to move forward after their night with Mia, and Leo and Charlotte finally reconnect. Meanwhile, the hospital investigation heats up.

Evie’s and Pete’s new life in suburbia looks set to be anything but boring thanks to the glamorous couple next door.

The electric chemistry between Danny and Evie increases, amusing Becka and horrifying Pete. Danny’s moonlighting takes a dangerous turn and Alan’s obsession with Becka grows.

The tension between the two couples reaches boiling point during a weekend away. Alan’s obsession with Becka escalates further, with devastating consequences.

Pete struggles to process what happened during the spa weekend. Evie conceals a secret. Becka deals with the fallout from the blog post and Spencer gives Danny an ultimatum.

An ultimatum from Pete deepens Evie’s obsession with Danny. Danny’s plan to get Spencer out of his life is thwarted by Pete and Sophie’s front page scoop.

With Danny and Becka’s relationship in freefall, Evie more delusional than ever and Pete finally at breaking point, the stage is set for a final showdown between the two couples.

Another suspicious death rocks the hospital and Jacob concludes his investigation. Meanwhile, Mia’s past comes back to haunt her and Charlotte’s left feeling betrayed.

Charlotte and Jacob’s marriage implodes and Alan takes drastic action in an attempt to save Mia. Meanwhile, Gemma and Leo uncover the truth behind the hospital deaths.