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The one-eyed duke loves his oppressed daughter

Emma's parents died in an accident when she was young and her uncle's family took her in,
Emma was taken in by her uncle's family and married into the Duke of Ackerson's family.
Her husband, William Ackerson, is a beautiful man with pale lilac-gray eyes and light silver hair.
He is a beautiful man with pale lilac-gray eyes and light silver hair, but due to a war injury, he lost one eye and uses a cane.
Emma is perplexed by the sudden proposal of marriage.
However, she accepts it as fate, and visits the duke's house to ask him to marry her,
When she visits the duke's mansion, she finds that it is like a castle, a different world with many servants.
Emma spends a dreamlike time there, but for some reason, the Duke does not show up.
She becomes anxious and tries to talk to the Duke, but...?