Max and Sharpe go public with their relationship at the hospital. The team struggles to handle an overcrowded and understaffed ICU. Iggy's overly critical feedback alienates his residents.

Max advises a young student at a science fair but encounters legal complications with her brilliant invention. Bloom encourages Dr. Shinwari to be more aggressive in the ED. Iggy gets a lesson in humility. Brantley has a surprise for the staff.

Max struggles with a new fiscal reality at the hospital. Dr. Sharpe is on a mission to provide follow-up cancer screenings for patients before it’s too late. Bloom grapples with Dr. Shinwari’s new overnight schedule. Reynolds has an interesting conversation with Dr. Malvo about their future.

Dr. Fuentes continues her quest to remake the hospital in her vision. Max goes the extra mile to help a patient in need. Dr. Sharpe and Iggy find themselves at odds over a very serious issue. Reynolds discovers the importance of personal obligations. Bloom comes to a shocking realization about her mother.

Max and Bloom are shocked when a deadly ambulance crash reveals a dangerous plan. Dr. Fuentes pressures Iggy to take on patients. Sharpe realizes her own cost-cutting has adversely affected her department. Reynolds, Baptiste and Malvo strive to reach an accord.

Max is faced with a wrenching decision when New Amsterdam falls prey to a massive ransomware attack.

Max takes drastic measures to help several undocumented immigrants after a fire destroys the church where had sought refuge; Sharpe and Malvo assist a patient with a life threatening condition; Reynolds is conflicted about his new position.

Max and Helen settle happily into their new life in London. Dr. Fuentes takes over as medical director with disastrous effects. Bloom helps a patient who thinks he’s cursed. Iggy develops a plan to get his psych patients gainfully employed.

As the team gathers to mourn the loss of someone dear, Max and Helen realize the extent to which New Amsterdam has changed since they left. Bloom struggles with a big decision while Reynolds decides to take his concerns for his patients to a new level. Dr. Fuentes once again reminds the New Amsterdam team who is in control.

Max formulates a bold plan to help New Amsterdam before it’s too late. Reynolds and Dr. Fuentes fight over the best way to handle a risky surgery. Dr. Wilder asks Dr. Castries for help with a patient with terminal cancer. Iggy helps a father and son deal with vastly different views on a shared trauma.

Max orchestrates a plan to get Dr. Fuentes terminated from New Amsterdam once and for all. Helen confronts her medical complication. Iggy helps two patients deal with a breakup, which forces him to consider his own marriage. Bloom and Dr. Castries reach an understanding.

Max discovers a fatal flaw in Dr. Fuentes' scheme to purchase the UMI medical clinic, which could be her ultimate undoing. Bloom treats two high school students for life-threatening injuries and uncovers a dangerous situation. Reynolds helps a brother and sister confront a family crisis.

Max discovers the extent to which Dr. Fuentes' cuts are severely damaging New Amsterdam and decides it's now or never. Iggy takes an unconventional approach to reach a young patient in need. Reynolds and Wilder perform a risky, life-saving surgery on unborn twins.