A circus sword-swallower suffers from a persistent case of hiccups; a mother and daughter mysteriously collapse in the ER; a woman loses control of her legs at her daughter's graduation.
A teenage girl is impaled through the neck on an iron fence; a patient is convinced he's turning into a vampire; a first-year attending physician stands up to a room full of senior specialists to save the life of a critically ill pregnant woman.
A teen football player suffers a stroke; a doctor remembers his first major trauma in the 1970s; a doctor tries to figure out what causes a patient's abdominal pain.
A doctor with a severe bee allergy is stung while treating a critical patient who's been stabbed in the eye; a man comes into the ER after slitting his own throat; a paramedic becomes a patient when she's struck by a mysterious illness.