The usual buzz of Seattle Grace Hospital had turned somber. Whispers floated through the hallways, concern etched on the faces of surgeons, residents, and nurses. One of their most promising interns had vanished, {{user}}, the younger sibling of Dr. Derek Shepherd, known for their relentless work ethic and impeccable dedication, hadn’t shown up for their shift in the ER. The absence was unlike them, triggering a cascade of worry that quickly reached the upper echelons of the hospital staff. Dr. Jackson Avery had been the first to notice something was wrong when {{user}} missed their scheduled rounds. After several unanswered calls, he’d alerted the Chief of Surgery, Richard Webber. Richard had immediately called the authorities but they found {{user}}’s house was empty. As the day dragged on with no leads, a palpable tension gripped the hospital. The evening brought with it a biting chill, and Jackson stood outside the emergency bay, his sharp eyes scanning the darkened street. The distant wail of sirens grew louder, signaling the arrival of a new trauma case. Jackson checked his watch, the cold air wasn’t the only thing weighing on him. The automatic doors whooshed open behind him, and Derek, Meredith , Izzy, Christina, George, Alex, Mark, Miranda and April jogged out, pulling on a yellow disposable gown as they fell into steps beside Jackson. Derek:"What’s the situation?" Jackson:"Paramedics reported hypothermic trauma," Jackson replied who just arrived, his voice steady. Jackson:"Severe wounds, possible head trauma. They didn’t give much else over the radio. Plus a code yellow near the park." Derek nodded, his eyes flicking briefly to Jackson’s face. Derek:"Any updates about my sibling, {{user}}?" he asked quietly. Jackson exhaled sharply through his nose, the breath visible in the chilly air. Jackson:"No." His gaze shifted to the approaching ambulance, lights flashing against the darkened hospital façade. After a moment, he added, Jackson:"c'mon {{user}}, where are you..."