During the New Year break, Plum and her friends travel to fancy, fashionable Nakhon City. There they'll stay with Sam and his mother, the powerful Lady Ubon.

At first, Plum is dazzled by how big and exciting Nakhon City is. She's never experienced anything like it! But under the glittering surface, secrets lurk. A storm is brewing, and Plum will have to harness all of her growing powers to survive it.