Charlie returns from his holidays brimming with optimism, but with the ED backing up, how long will it last? David is not coping as well as he thought.

David meets a woman from his past who helps him feel like himself again, while Dylan starts fighting for his team.

Robyn starts to have doubts about the surrogacy while Iain and Faith’s friendship is tested.

Stevie and Dylan clash, Robyn struggles with IVF side effects and Sah returns to work.

David accidentally exposes his true identity to Susan, while Stevie realises she values her relationship with Marcus more than she thought.

Sah resists Jools’s attempt to be there for them and their dad, while Charlie helps Dylan overcome a confidence crisis.

Faith and Iain team up to try to save a family they have seen in the ED before, while Robyn’s responsibilities start to take a toll.

Marty sees Adi’s true colours, while Stevie is knocked down a peg by an old enemy.

Stevie gets an amazing opportunity, while Paige begins to have doubts about her relationship with Rash.

Stevie’s exciting opportunity is jeopardised by a patient, while Jan is seriously affected by her workload.

Faith realises a friend is suffering, while Stevie’s mentorship pushes Paige to make a mistake.

The pressure reaches boiling point for Jan in a special improvised episode.

Dylan’s clinical lead duties are disrupted by a patient from his past, while Rash worries about Ashok’s strange behaviour.

Stevie has a revelation about her relationship with Marcus, Rash realises he doesn’t need to deal with Ashok alone, and Paul worries he’s not enough for Robyn.

Jan and Sah build bridges, and Dylan expresses concern about a care home.

Jacob throws himself into work, Ethan has a revelation, and Dylan makes a shocking discovery.

Rash realises Ashok is in more trouble than he thought, Stevie struggles, and Paul surprises Robyn.

Jacob’s heroics help persuade Marcus change is needed, while Dylan’s investigations get him into trouble.

Dylan clashes with an old rival, Robyn and Paul make a life-changing decision, and Stevie seeks comfort from Marcus.

Stevie learns the truth about Marcus, and a patient causes friction between Max and Faith.

Jacob tries to gain the respect he needs from his department, Rash struggles with his dad’s welfare, and Stevie is haunted by Marcus’s abuse.

Robyn stands up to Jacob. Marty and David struggle to put patient care first, and Iain and Faith have to work closer than ever.

Charlie questions his loyalties as the ED reaches breaking point, David and Marty make a difficult decision, and Jacob realises his actions might have devastating consequences.

Dylan fights to bring an abuser to justice, Jacob finally faces his guilt, and is there more to Faith’s dishonest patient than meets the eye?

An unexpected arrival in the ED forces Faith to confront her darkest secret.