The episode centers around the staff of County General Hospital as they struggle to cope with a severe blizzard that has hit Chicago.
One of the main storylines of the episode involves Dr. Greene (played by Anthony Edwards) and his wife Jennifer (played by Christine Harnos), who is in labor with their first child. Dr. Greene must brave the snowstorm to get to the hospital to be with his wife, and once there, he must deal with the stresses of delivering his own child.
Another storyline follows Dr. Ross (played by George Clooney) as he treats a woman who has been severely injured in a car accident. The woman is in critical condition, and Dr. Ross must make a difficult decision about whether to perform a risky surgery that could save her life.
Overall, "Blizzard" is a tense and emotional episode that showcases the talent of the E. R. cast. The scenes of the hospital staff struggling to cope with the blizzard are well done, and the performances of Edwards and Clooney are particularly strong. The episode also does a good job of balancing the medical drama with the personal lives of the characters, making for a well-rounded and engaging episode.