An emergency physician, accused of negligence and banned from practicing, is released on parole and becomes an ambulance driver. Unable to ignore his calling, he keeps saving lives unofficially, dreaming of returning to medicine legally. The ER team's world is full of dramatic cases, complicated relationships, and emotional life stories. Love, loss, and personal struggles intertwine as they face medical and romantic challenges. Across all seasons, viewers root for “Dr. Driver” as he battles obstacles to reclaim his profession. In Season 6, his fight continues through emergencies, melodramas, and risky ties — all to be the doctor he was born to be.