It’s 9:00 a.m. at Pittsburgh Trauma Medical Center’s emergency room on the Fourth of July, and things are heating up.

In season 2, episode 3 of The Pitt, the doctors and nurses are met with another hour of ups and downs with their patients.

As Dr. Robby (Noah Wyle) is thinking ahead to his sabbatical at the end of his shift, he meets a woman with whom he connects over their shared heritage.

Meanwhile, Dr. Santos (Isa Briones), Dr. Whitaker (Gerran Howell) and Dr. McKay (Fiona Dourif) continue to treat patients whom viewers met in previous episodes. Elsewhere, Dr. Langdon (Patrick Ball) shows a softer side while treating a young boy.

So, what happened in season 2, episode 3 of The Pitt? Here’s a breakdown of everything that took place, from Westbridge Hospital’s code black to Kylie’s diagnosis.

Warning: The Pitt season 2, episode 3 spoilers ahead!

What is Kylie’s diagnosis?

After Dr. Santos expresses concern that her 9-year-old patient, Kylie Conners (Annabelle Toomey), could potentially be the victim of abuse, things become temporarily heated when Kylie’s dad, Benny Conners (Patrick Mulvey), arrives at the hospital.

Following a tense moment with Mr. Conners and staff, nurse Dana Evans (Katherine LaNasa) swoops in to share that Kylie’s platelet levels are “only at 9,000,” which leads to a diagnosis of immune thrombocytopenia (ITP).

Kylie will have to stay in the hospital for three days for her treatment, which will include “high-dose steroids to suppress the immune system.”

What are Nancy and Mark Yee’s injuries?

Couple Mark Yee (Eugene Shaw) and Nancy Yee (Angela Lin) arrive at the hospital after being involved in a motorcycle-car accident. After the motorcyclist is declared dead upon examination at the ER, the doctors get to work in the next room on Mark, who was driving the car with his wife in the front seat.

The team initially believe he could have suffered a spinal cord injury that left him as a quadriplegic, as he was responsive to pain when stimulated on his chest and had a gag reflex, but was unresponsive to touch on his legs or arms, and was not speaking.

After Mark is taken for a full-body CT scan, Nancy tells Dr. Robby that she and Mark had a stressful fight prior to the accident. The team is puzzled when they get the results back, which show no bleeding in the skull or spinal fractures.

As Dr. Robby and Dr. Al-Hashimi (Sepideh Moafi) explain to Nancy the other potential reasons for what is happening to Mark, Dr. Mohan (Supriya Ganesh) receives a call and announces that Mark has critically low potassium levels.

After doctors explain to Nancy that Mark could be suffering from hypokalemic periodic paralysis, Nancy collapses. The team discover that she has an injury to her spleen with internal bleeding, and needs immediate surgery.

While Nancy is in surgery, Mark asks for Dana’s help to record a video for his wife in which he tearfully apologizes for arguing with her.

What happens to Mrs. Kovalenko?

Mrs. Yana Kovalenko (Irina Dubova) comes into the hospital with a significant leg burn, but does not want the new nurse, Emma (Laëtitia Hollard), to treat her, and insists on waiting for a doctor.

She reveals that the burn happened when she dropped a full samovar, a large metal urn used to heat and boil water, after being startled by firecrackers.

As Dr. Robby works to debride her burn, she opens up about how she was on her way to the Tree of Life synagogue for Shabbat morning services when the 2018 mass shooting took place. She says she has struggled with fireworks and firecrackers ever since.

The mass shooting occurred at the synagogue on Oct. 27, 2018, leaving 11 congregants dead and six injured. It is the deadliest attack on the Jewish community in U.S. history.

“There is no clock on how long it takes,” Dr. Robby tells her, while another nurse, Perlah Alawi (Amielynn Abellera), puts her hand on Mrs. Kovalenko’s arm to comfort her.

As Perlah wraps up applying a non-stick dressing to the wound, Mrs. Kovalenko thanks her and the Muslim community for their support after the shooting.

“After the shooting it was the Muslims that came together for us in support, and walked with us. You raised money, you paid for all the funerals,” she says while holding back tears.

Where is the baby girl from the bathroom?

While baby Jane Doe, who was discovered in the waiting room bathroom in episode 1, isn’t seen in the episode, Dana briefly mentions that she is “lookin’ good” and “taking formula well.”

Episode 1 ends with Dr. Al-Hashimi in apparent shock after reading something on her point of care CBC results, which Moafi told Decider after the episode premiered is “kind of tentacled.”

“Yeah, I think it ends on a big question mark and a big teaser of like, ‘What’s going on for her?’ ” she said. “We will definitely learn more and and we’ll understand the context for that moment throughout the season, later on in the season.”

Moafi added, “But yeah, the answer to that, it’s kind of tentacled and it’s rooted in a huge spoiler.”

What happens at Westbridge Hospital?

Just as Dr. Robby tells Dana the team is starting to clear some space, she answers the ringing phone to a call from med command.

“Is this a drill?” she asks. “Is this a joke? It’s the Fourth of f—ing July.”

The nearby doctors and nurses perk up as Dana explains: “Westbridge has a code black and is closing to internal disaster. Central’s diverting all their ambulance traffic to us.”

While the caller didn’t share exactly what the code black at Westbridge was or how long until more ambulances would begin to arrive, Dr. Robby surmises “it could be anything from a flooding toilet to a power outage.”

Viewers got a hint of this in a trailer for season 2, in which a voice says, “Westbridge Hospital has shut down all computer systems,” forcing the PTMC emergency department to “go analog.”

While security guard Ahmad Zidan (Johnath Davis) begins to start yet another betting grid on “how come, how long, how many,” the episode comes to an end as Dr. Robby regretfully rubs his neck and says, “Ohhhh, I should have left last night.”