Like good soldiers in a war-zone, hospital staff are expected to respect the chain of command when dealing with life and death situations. But what happens when smug doctors, arrogant surgeons, and out-of-touch administrators make that easier said than done? Nurses deals with the professional and personal lives of four female colleagues who cope in different ways with the challenges of life on the trauma ward. With determination, strength, and a dark sense of humor, they achieve the demanding and inspiring task of saving lives in a system that sometimes seems designed to do the opposite.

Seventeen-year-olds Miku and Elias find themselves, and each other, during a summer in the Finnish countryside.

Seriously ill Mikael, who is living his last days, needs acceptance and lures young men into his apartment with a fake profile. When Paul arrives and shows unexpected warmth towards him, Mikael's world begins to collapse.

The trauma center is facing its busiest day of the year: New Year's Eve. Jannica Ronkainen, a surgical nurse on duty, is already looking forward to the end of the year. Tired of her relationship troubles, Jannica wants anything but new romantic worries for the coming year – until she encounters a ghost from her past at the hospital. New Year's Eve offers Jannica the chance for one last adventure of the year, but the clinic's new and demanding surgeon, Eero Mustonen, adds challenges to Jannica's plans.

A boy abandoned by his father wants to become Finland's biggest rock star.

When Tommi's father-in-law Johan is ordered to take a break after a medical emergency, the family decides to go on vacation to sunny Spain. Johan has one condition: he wants to take his car with him. Tommi agrees to drive Johan's car to Spain – together with Juhis. However, things don't go quite as planned, and when Johan's car is stolen, Tommi and Juhis decide to take matters into their own hands, and soon our heroes are hurtling from one disaster to the next at breakneck speed.

Everything is on track in the life of the beloved but eccentric surgeon Petteri Holopainen but when a patient close to him is rushed to the hospital, nothing can go back to the way it was. Holopainen loses everything he holds dear. When a familiar person from the past enters his life, Holopainen must decide what still matters.

Iiris tries to recover from her difficult separation with Artturi when she unexpectedly meets Anton. The relationship doesn't get a chance to progress far when Iiris' son Niilo suddenly becomes ill. Niilo would only need a small operation, but once the boy enters the operating room, the hospital is subjected to a cyber attack. The power is cut off, the ventilators stop working and all access to patient data is blocked. Nurses have to prioritize whose life is the most valuable.

On the verge of her marital life, a young woman makes a journey into the night to find out why she has lost her heartbeat and turned golden.

Antti and Annikki have secretly decided to spend Christmas in Leppävaara. The family's entrepreneurial son Erkki has gone to Moscow with his yarn Jaakko Järvenheimo to sell tampers and ski packages to the Russians. The Metsola family (except for Erkki, Jaakko and Heikki's family) gather once again in Leppävaara to celebrate the Christmas of memories.