Douglas Nyback

A mysterious, fast-acting and extremely deadly virus triggers an emergency lockdown on the 6th floor of Westside Hospital; in an effort to save a crashing Richard from a deadly virus, Amy gets infected with it.

On Michael's first day as Chief of Internal Medicine, Joan arrives at the hospital as a patient in dire straits; Amy clashes repeatedly with Richard over Joan's treatment plan; Gina makes a nearly impossible medical decision for a young patient.

A mysterious, fast-acting and extremely deadly virus triggers an emergency lockdown on the 6th floor of Westside Hospital; in an effort to save a crashing Richard from a deadly virus, Amy gets infected with it.

On her last day at Westside, Joan chooses an unlikely successor, crowns a Chief Resident and imparts some final wisdom to the next generation; Gina steps in to help TJ's patient; Amy and Jake's tension intensifies while treating a pregnant teen.

After a tragic accident, one of Joan's oldest friends is rushed to Minneapolis to be treated by her, forcing Amy to confront her about her illness; Richard and TJ find themselves at odds when they treat a tech bro who thrives on pushing boundaries.

Met with hostility upon his return, Richard looks to redeem himself while treating an overworked food delivery worker; Sonya and TJ enlist Jake's help with the delicate Joan situation; Amy and TJ take on the case of a medical malpractice lawyer.