When Emily (Mamie Gummer), Will (Justin Hartley) and Cassandra (Aja Naomi King) compete against each other to be Dr. Bandari's (Necar Zadegan) research assistant, feelings get hurt when they have to describe each other's flaws. Emily is determined to solve the medical mystery of a young patient whose x-rays reveals a bullet lodged in his lung, but who has no signs of a gunshot wound or scar. Meanwhile, Emily comes to a revelation about her personal life after diagnosing a daredevil with a rare disease that forces him to change his entire life.