Code Black is a heart-pounding medical drama that takes place in the busiest, most notorious ER in the nation, where the staggering influx of patients can overwhelm the hospital and create a condition known as Code Black. LA County Hospital doctor LEANNE RORISH,renowned for successfully performing high-risk procedures, has anew batch of first-year residents who include: CHRISTA LORENSON, MALAYA PINEDA, MARIO SAVETTI and ANGUS LEIGHTON.