Doctors perform risky surgery on a 32-year old patient who has a leaking artery in his brain; a motorcycle crash has costly repercussions for a young family; a man found unconscious and missing his right thumb.

Doctors race to save a man who was shot in the stomach at close range; a 46 year old woman undergoes surgery to remove a cancerous lump in her breast; two surgeons work together to restore a man's hand and his career.

A man falls head-first at a construction site; a newborn requires emergency surgery just hours after birth; a woman hopes plastic surgery will help her reclaim her life after a double mastectomy; orthopedic technicians deal with a tricky dislocation.

A freak injury could sideline a young athlete; a man needs cutting-edge surgery to save his leg; an 8-year-old can no longer bend his thumb.

Doctors race to save a man suffering a serious heart attack; paramedics rescue a woman trapped in her car; a drunken fight may have caused a man permanent brain damage; after multiple failed IVF attempts a couple realize their dream.

Doctors operate on a 22-year-old woman with a brain aneurysm; a young couple who previously experienced tragedy anxiously await the birth of their rainbow baby; a 6-year-old boy suffers a bad break.

Two surgeons operate on a shark attack victim at the same time to try and save his arm and leg; doctors struggle to diagnose a newborn rushed to the ER for the third time in a month; a woman undergoes brain surgery to remove a large tumor.

Doctors perform emergency brain surgery with the patient awake; a 26-year-old worries her mysterious symptoms may add up to a serious diagnosis; a construction worker's poor aim could cost him; a couple's birth plan doesn't go as expected.

The hospital activates its emergency response plan when a patient presents symptoms of the Ebola virus; a rare set of twins must be delivered early; doctors treat a man high on a dangerous mix of drugs.

Surgeons race to save the legs of a surfer after a shark attack; a 6-year-old receives a surprising diagnosis; a woman hopes a breast reduction will provide relief from her chronic back pain.