After breaking the hyena curse and saving the moon, the boy Dembo, now called the Bone Speaker discovers a darker truth lurking beneath the ogirisi tree. The spider Udude, ancient mother of the one-eyed hyena Amara, reveals herself and confesses a terrible secret: she was the one who made the very first deal with Death itself, bringing mortality into the world. For centuries, Udude has grown stronger by eating the names of children who die too young. Now she wants the bone that holds the name of the first child who ever died, a name that could either break her deal with Death or unleash something far worse. Dembo must choose: give Udude the bone and receive a ghost version of his lost mother, or speak the forbidden name and set Death free to walk the earth. When he makes his choice, the consequences are more terrifying than anyone imagined. Death awakens, the spider is devoured by her own creation, and Dembo receives a horrifying gift, immortality without end, forced to watch everyone he loves turn to dust forever. But a mysterious hunter with no shadow appears at the edge of the village, whispering a new plea for help. The web is not broken. It has only just begun to tighten.

In the village of Umudi, owls begin crying in broad daylight, a terrible omen that has not been seen for centuries. Each time an owl cries, a villager dies before nightfall. The Bone Speaker Dembo reveals the terrifying truth: the owls are not the killers, but messengers for an ancient horror called the Voice Eater, a shapeless creature created by the spider Udude to feast on sound. For five hundred years, the Voice Eater slept under the river, but Dembo's attempt to free the real moon woke it up. Now it hunts every voice in Umudi, swallowing cries, laughter, prayers, and names. The only way to destroy it is to speak the last forgotten name, the name of the first child who ever died inside the creature's lair. A brave woman named Adaeze volunteers to enter the river with Dembo, risking death by silence. Together, they confront the Voice Eater in the cold darkness beneath the water. Dembo remembers the final name "silence itself" and shatters the monster forever. The real moon rises, the owls stop crying, and the village is saved. But as peace returns, the owls turn their eyes toward the forest with terror. A new voice rides the wind, singing a lullaby of the vanished and forgotten. Something worse than the Voice Eater was held back by its presence. And now that something is coming.

In the village of Umudi, a motherless boy named Dembo, called the Ghost Child discovers the dark truth behind an ancient curse: whenever hyenas laugh, the moon disappears. Taken in by old Ifeanyi, the village bone healer, Dembo learns that three hundred years ago, the moon mother Nneoma lost her daughter Adanna after a hunter named Okonkwo betrayed her to a one-eyed hyena spirit called Amara. Amara hid Adanna’s true name inside a child’s finger bone, and every seven years she returns to laugh the moon out of the sky. Now Amara has come to Umudi, and only Dembo a broken child who has lost everything, can speak Adanna’s forgotten name into the bone and break the curse forever. But when he succeeds, he discovers a darker truth: Amara was not the real enemy. Someone in the village called her. Someone made a deal. And under the ancient ogirisi tree, a spider has just made a new bargain with Death itself.

After the hunter Okeke loses his shadow, the black river at the edge of Umudi speaks for the first time in a hundred years. It delivers a terrifying warning: "Leave before the next full moon. Something has been sleeping under my water for a thousand years, and it is about to wake up." But when Okeke and the immortal Bone Speaker Dembo bring the warning to the village, the elders mock them, the villagers turn away, and even those closest to them refuse to believe. Strange signs begin to appear, a stream dries up overnight, drums fall silent, fires burn cold blue. A group of men sent to investigate the river discover the bottom is covered with thousands of human bones arranged in ancient words. The river rises, flooding the village and trapping everyone. But the water is not trying to drown them. It is trying to show them the truth: the real moon mother Nneoma has been chained at the bottom of the river for three hundred years, replaced in the sky by a false shadow moon. The spider Udude trapped her there as part of a forbidden deal with Death. To free her, Dembo must dive into the river and speak every forgotten name of every child who ever died without air, without stopping, without forgetting a single one. But at the last moment, he forgets the most important name. As the darkness closes in and the moon mother begins to sink forever, a small hare watching from the grass reveals it knows the secret. What does the hare know? And how can such a tiny creature challenge the most powerful ruler of the wild? The truth will shatter everything.

In a wild African kingdom where animals live under the fearful rule of a mighty Lion King, a small hare named Oji is ignored and mocked by everyone. But Oji has been hiding in the tall grass near the king's den, listening to the Lion King talk in his sleep. One night, he hears a terrible confession: the king did not fall to his death twelve years ago, he was pushed. The Lion King murdered his own brother to take the throne. Armed with this dangerous secret, the tiny hare stands before the entire animal kingdom and publicly accuses the king of murder. To prove the truth, Oji calls the spirit of the dead brother to speak through him. The ghost asks questions only a brother could answer, and the Lion King breaks down, confessing his crime on his knees. The king is banished into the dark forest forever. But as the animals celebrate the fall of a tyrant, the night air changes. Owls begin to cry across the sky not with sadness, but with warning. Something older and worse than the Lion King was sleeping in the darkness. And now that the lion is gone, that ancient horror is waking up. The owls are trying to warn everyone. But will anyone listen before it is too late?