While driving home, Sean is broadsided by another car and rushed to the hospital. He was saved from major injury by his vehicle's safety devices, but his view of life has changed. Inspired by a patient, Sean plans a shark-diving trip with Matt.

Disgruntled former McNamara/Troy patient Bobbi Broderick stalks the doctors, threatens to sue them, drives away customers and tries to persuade an investigative reporter to do an expos on what she perceives as their malpractice.