In the early days, only the immortals had the right to dream.

When the immortals went down to the earth and sold their dreams to the world, the world could enjoy the beautiful and splendid dreams. But the immortal repented. A mortal in order to prevent the immortal from taking back his dream, sealed the dream in a poem. As a result, the immortals gathered together a group of dream witches in the mortal pursuit of the dream in the word.

However, dream witches are divided into two groups, fighting to recover and retain dreams. Three hundred years later, dream witches' war is still going on quietly. Yu Xiaotian's side suddenly appeared some strange people and things, the familiar youth, the mysterious Silaosi, the girl who often appeared in her dream. A great war is about to happen. Who should she trust and how to choose?