Despite loving science, Ivan Decker's first exposure to field work doesn't go as planned, and Nathan Min tries to pursue a 'respectable' scientific career, but finds himself relating to the mice he studies.

When Jack Walsh finds out his first child will be born in just a few days, he panics, and after experiencing hearing loss, Jeannie Gaffigan receives the startling news that she has a brain tumor.

Growing up in the fifties and sixties, Jenice Matias senses there's more to her mother's occupation than she understands, and D.B. Firstman has always known their body is different, but at the age of thirty, they make a discovery that changes everything.

As a first-generation pre-med student with no financial aid, Brooke Dolecheck takes a job as a 911 operator to support herself, and flight paramedic Marc Doll must transport a child to St. Louis for his last chance at a heart transplant.