Driven mad by starvation, Kaneki wanders the dark alleys of Tokyo. He encounters another Ghoul feeding on a corpse, but the territory belongs to Touka Kirishima , a cold and cynical waitress from Anteiku. The Point of No Return
Rize reveals herself as a Ghoul and brutally attacks Kaneki. Before she can finish him, she is killed by falling steel beams at a construction site.
Establishes Kaneki's vulnerability and the hidden danger of Tokyo. Transitions the genre from romance/drama to pure horror. The First Meal Attempt
The most disturbing aspect of the episode isn't the violence of the attack, but the aftermath. Kaneki wakes up in a hospital bed, seemingly fine. However, the atmosphere is sterile and unsettling. A doctor, heavily shadowed and sinister, informs him that his life was saved by an organ transplant from the deceased Rize.
The recurring image of the spider lily and references to Franz Kafka’s The Metamorphosis , mirroring Kaneki’s own transformation into a "monster."
—predatory red tentacles—and begins a sadistic hunt, tossing Kaneki around like a ragdoll. Just as she prepares for the final kill, a freak accident occurs. Massive steel beams from the construction site break loose, crushing Rize instantly.
This moment is the catalyst for the entire series. The falling beams are not just a random accident; they are the "tragedy" referenced in the title. It robs Kaneki of his humanity before he even realizes what he has lost.