Quote: “A mask can hide a face—never a promise.”

 Plot: Joseon trembles under a shadow guild that taxes water like blood. The masked Crown Prince (Yoo Seung‑ho) returns from exile to unseal the royal aqueducts, but every ally could be a spy and every decree a death warrant. Han Ga‑eun (Kim So‑hyun), a healer‑scholar whose father was silenced, becomes his fiercest truth—and his greatest risk. Trailer flashes: moonlit courtyards where paper doors breathe; calligraphy blades cutting incense; a firelit tribunal drowned by a burst cistern; a chase over tiled roofs as bells riot; and a dawn stand on a flooded field, the Prince’s mask catching the first sun.

 Review: Opulent sageuk texture, crisp swordwork, and court‑intrigue chess powered by quiet chemistry and thunder‑choir drums. If the film sustains this pulse—duty, love, and a nation’s thirst—expect a crown claimed, not given