Derek nodded, the corners of his lips curling up slightly. "Okay."

Bertha turned and walked toward the door.

As soon as she turned around, Derek couldn't stand the fishy taste that suddenly rose in his chest. He quickly covered his mouth with his hand and silently vomited a mouthful of blood.

Bertha is sharp, she hears very small noises.

She just walked to the door but turned around to look back.

Derek was on the hospital bed with his head bowed, his left hand ...