In the world shrouded by the "canopy", there is a group of "predators" who feed on human emotions. Gu Yan, a young man from the bottom, unexpectedly wakes up on a rainy night during debt collection and is introduced to the Hidden Garden by the mysterious man Lu Beichen - a gorgeous cage housing empty shells of emotions. In order to protect his terminally ill sister, he stepped into the feast of feasters. But when the fangs begin to appear, can he still hold on to the last trace of humanity? Use soul as food and love as prison.
