When Bashir "Bash" Hamed finds himself at the site of a tragic accident, his medical training takes over as he works to save the wounded. At York Memorial Hospital, the staff, including Dr. Magalie "Mags" Leblanc, Dr. Theo Hunter, and Dr. June Curtis treat patients from the accident while concerns arise about their Chief of Emergency Medicine, Dr. Jed Bishop.

As Bash's future at the hospital hangs in the balance, he diagnoses a young patient with a rare disease that could have been prevented. Mags is faced with case she cannot solve, as June tries to keep her personal life private. Meanwhile, Theo drives through the night to spend a day with his family in Sudbury, Ont.