Scarlett Blum

During a surreptitious late-night visit with Terry, Ralph admits to being baffled by conflicting physical evidence. The next day, an unexpected tragedy throws the investigation into a tailspin, and Jack Hoskins is forced to cut his hunting trip short to return to work.

Despite being on mandatory leave, Ralph continues to scrutinise the confounding circumstances surrounding the night of the murder. Jack has a hair-raising experience at a remote barn where key evidence and a mysterious substance have been found.

Conrad finds himself caught between his duties as a doctor and his loyalty to Kit, when he discovers that her son-in-law may be suffering from a serious disease. Devon and Nic make a shocking discovery about a former patient.

Just when Derek's condition seems to be improving, a severe complication arises; when Cain's former girlfriend is admitted to the hospital for surgery, the doctors finally get a glimpse into his personal life.

Cain recruits Ezra to help keep an emergency situation under wraps, Nic works to come up with a support system for a patient in need of a lung transplant, and Kit's son-in-law's condition continues to worsen.