Drinking Ink and Getting Drunk at Night

She traveled through time and became the daughter of a salt merchant. She finally managed to get rid of her ex-fiancé, but was also involved in the mystery of the treasure map. Wait, what's going on with the English on this treasure map? How did this salt and iron envoy become a prince? Isn't the eldest brother who is poisoned by a strange poison his own? Ah, are there too many spoilers? Well, since the peaceful farming life promised has been disrupted, let's help each other with the handsome and rich prince. I will accompany you to hunt for treasures, and you will accompany me to find the antidote, 1+1, one by one, learning a foreign language is so easy.