: Arizona Robbins returns from Africa, hoping to win back Callie Torres. However, Callie is cold and dismissive, still deeply hurt by Arizona’s sudden departure. Key Character Moments
: Having quit surgery due to her trauma, Cristina Yang is seen at the college site when the shooting starts. In the heat of the moment, her instincts kick in, and she performs a life-saving procedure in the field before following the patient back to the hospital, marking the beginning of her journey back to medicine. [S7E11] Disarm
The episode centers on a "mass casualty event" after a gunman opens fire at Pacific College. This triggers intense PTSD for the doctors, particularly because the trauma is so similar to their own recent experiences. : Arizona Robbins returns from Africa, hoping to
