Tasked with investigating a ghostly woman dancing nightly on the palace walls, Maomao finds a sleepwalking Concubine Fuyou. But with no medicinal cure for sleepwalking, she's forced to dig deeper to find the real reason behind Fuyou's affliction.
Part of it is likely because she's 
the princess of a foreign land.
سبب من الأسباب هو غالباً لأنّها
أميرة بلد أجنبيّة
Parte disso deve ser porque ela é
princesa de uma terra estrangeira.
Наверное, всё из-за того,
что она принцесса другой страны.