While Dr. Robby attempts to distract himself from the anniversary of his mentor's passing, Dr. Collins tries to push through her shift with sickness; after fainting at the sight of a brutal injury, Victoria Javadi fights to prove herself in The Pitt.

Robby helps siblings navigate their elderly father's end of life care. Later, Samira fends off cops targeting a woman with a misunderstood condition.

Samira does her best to keep Whitaker on the mend, while a young teenager's overdose in the emergency threatens to disrupt the peace - or what's left of it.

While helping a patient's family cope with loss, Robby struggles with memories of his mentor's final days. Meanwhile, Santos learns a hard lesson, Langdon lays down the law in the ER, and a case involving bugs terrifies a patient.

Samira's cautious approach to medicine earns her praise from patients and distrust from Robby.

Mel searches for a patient's daughter; Collins mediates family conflict over teen pregnancy; Robby faces a hospital ultimatum; Santos deals with an ego check.

After examining an influencer with strange symptoms, Samira pushes back against Robby. Santos contends with a patient accused of assault.

While Robby attends to an elderly patient with ties to Pittsburgh's history, other members of the team attempt to resuscitate a young drowning victim.

After a staff debrief from Robby, Dana defuses a waiting room brawl, Whitaker finds common ground with "The Kraken", and McKay faces a crucial error.

With the Pitt down a staff member, Robby relies on his team to pick up the slack. Later, Santos finally voices her suspicions.

While Robby tries to keep a developing staffing situation under wraps, Collins guides a surrogate through a difficult delivery.

When dozens of critical patients flood the ER, Robby and his team struggle to keep up amid quickly diminished supplies.

As the night shift begins and the passing toll rises, Robby refuses to give up on a mass casualty victim - even after Abbott intervenes. Unable to find an attending, Santos and Samira each attempt risky moves to save their patients' lives.

As the ER begins to quiet down, Robby struggles to cope with a loss, while Abbott and Samira are challenged by a patient's rapidly deteriorating condition.

As the day shift prepares to finally head home, Robby resorts to unorthodox methods to convince the father of a critically ill teen to allow treatment.