Sacha breaks a promise to Connor, a young patient, when catastrophic problems arise in surgery. Devastated, he struggles to keep his emotions in check as he faces his personal demons.

Frieda is back and taking no prisoners. Tensions run high when Jac puts her to the test, is Darwin big enough for the both of them? Roxanna makes a devastating discovery… but will it be enough to persuade Gaskell to see sense?

Meena finds herself friendless and in need of help, how much can one junior doctor take?