As Iain battles for his life, will Charlie recognise Laura in time?

The team try to keep the ED supplied with oxygen. A troubled patient returns for revenge.

Rash’s life hangs in the balance when he is kidnapped.

Jan and Ffion are forced together in a terrifying hostage situation.

Stevie’s grief fuels her rage, and Rash finds himself and his family in danger.

Jacob’s denial threatens his job, and Robyn gets distracted by Paul’s return to the ED.

The consultants fight over the clinical lead job.

Paramedics Sah, Iain, Jan and Teddy confront the realities of being on the front line.

When Tina returns to the ED, Jacob has to confront the reality of their relationship.

A chance encounter from his past forces Rash into a very difficult situation.

A surprise reunion and an unexpected betrayal lead Jade to consider her future.

Tensions escalate between Tina and Jacob, and Jade lets Stevie in on an awful secret.

A crisis brings Jan and Ffion together. Tensions between Matthew and Ethan come to a head.

Ethan struggles to balance work, grief and being a single parent.

A new face appears in the department, ready to exact revenge on those who’ve wronged her.

Ethan and Fenisha are late for their big day, and Tina’s manipulation of Jacob continues.

As Fenisha and Ethan prepare for their big day, Ollie’s illness is finally diagnosed.

Jacob struggles to find a safe path as tensions with Tina escalate.

Fenisha makes the ultimate choice to follow her heart.

Lev finally admits the truth about his sexuality.

A terrifying accusation throws David and Rosa’s family into disarray.

Tina allows her jealousy to get the best of her, and Robyn reconnects with an old friend.

Lev ruins his chance at happiness, and Charlie receives an unexpected visitor.

Fenisha’s life is thrown into disarray when a familiar face from her past appears.

Marty’s family life crashes around him as he confronts a familiar face.