Lin Wan, a temporary emergency department doctor with a monthly income of 2,000 RMB, struggles with poverty and exhaustion every day. Until he woke up after a night shift, he found a prompt like a game interface appeared in his eyes: Appendicitis is an "inflammatory and purulent appendix monster, IV15, a rare monster"; the patient's physical signs changed to "HP 73/100, status: hemorrhagic shock"... Healing lives and healing the wounded actually resulted in gold coins and experience points! From then on, every rescue operation in the emergency department became a battlefield for him to become stronger. But when he was addicted to the system rewards, he gradually discovered that behind this game was hidden the ultimate test question about medicine and human nature...