Human hearts can be so evil!

"Doctor Zhang, hurry! There's an emergency patient requiring your treatment! It's of extreme urgency level!" a nurse shouted loudly to Zhang Fan. Ever since Ouyang Hong became the superintendent, she had massively overhauled the way that emergency treatment worked in Chasu City Hospital. The "extreme urgency" level meant that the patient's life was in dire danger. No matter how far away the doctor currently was from the emergency department, they were absolutely required to arrive within three minutes.