Imagination plus doomsday plus running in both directions.
When the doomsday came, Gu Zhiyi tried his best to protect everyone from escaping, but in the end he was kicked off the train, fell into a group of zombies, and encountered his own abyss.
She originally thought she was dead, but the more she looked at the aloof zombie overlord, the more familiar he looked.
The zombie overlord is not the legendary zombie king, he is just like a human being, and he is still playing with the ring that Gu Zhiyi gave her in the past...
"Remember? This is what you once gave me..."
