A missing high-school girl is suspected of committing suicide. When it is discovered that somber Young-hee was the last to see her, troubling questions arise. Young-hee is quickly thrown into a maelstrom of accusations, leading to a witch hunt encouraged by the missing girl's mother and her quick-to-condemn classmates. While Young-hee searches for the truth, she must solve her own existential crisis before spiraling out of control. After My Death wraps its drama in a mantle of mystery to tackle deep-seated issues from peer pressure to teenage depression and the very fissures of society that cause them.