The second episode of Grey's Anatomy's nineteenth season delves deeper into
the aftermath of the hospital's accreditation crisis. Meredith Grey, now acting
Chief of Surgery, is at the helm, making crucial decisions to steer the hospital
back on course. Her first major move is to bring back her ex-boyfriend, Nick
Marsh, as the new Residency Director. Their reunion is marked by a complex mix
of emotions, and their professional partnership is set to be a focal point of
the season.

The episode also sheds light on the turbulent lives of Owen and Teddy Hunt. Facing the consequences of their involvement in a controversial assisted suicide case, they are forced to rebuild their careers. Owen's medical license is on probation, and he is under strict supervision. Teddy, once a rising star, is now Head of Trauma, a position that puts her in constant conflict with her husband. Their tumultuous relationship creates a tense atmosphere in the trauma department, impacting the interns, particularly Mika Yasuda, who is struggling to make a good impression.
Meanwhile, a mysterious medical case grips the attention of the residents. Two college students arrive with seemingly straightforward food poisoning, but their condition rapidly deteriorates, baffling the medical staff. Jules Millin and Simone Griffin, two of the interns, take the lead on the case, facing immense pressure to find a diagnosis before it's too late. Their dedication to their patients is put to the test as they grapple with a rare and life-threatening condition.
The episode also explores the personal dynamics between the characters. Link Carter and Jules Millin's complicated relationship continues to unfold, with their past encounter casting a shadow over their professional interactions. Additionally, Lucas Adams's budding relationship with his aunt Amelia Shepherd remains a secret, adding a layer of intrigue to the storyline.
As the episode progresses, the interns face a series of challenges, from the physically demanding task of removing a cell phone from a patient's rectum to the emotional turmoil of dealing with life-and-death situations. Their growth as medical professionals is evident, and their resilience is tested in the face of adversity.
The episode concludes with a heartwarming moment as Meredith supports her daughter, Zola, who experiences stage fright during a school presentation. The scene highlights Meredith's maternal instincts and her unwavering love for her children.
Overall, "Wasn't Expecting That" is a compelling episode that builds upon the foundation laid in the season premiere. It introduces new challenges for the characters, while also deepening existing relationships and storylines. The medical mysteries, combined with the personal dramas, create a compelling narrative that keeps viewers engaged.