The Matchmakers

I Think I Am an Agent of Love (1x3)

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Soon-duk decides to work with Jeong-woo and signs a contract. Hwa-rok, the third of the Maeng sisters, and Soon-duk come up with a way to make the sisters get married. Meanwhile, Jeong-woo procures the golden silkworm poison to figure out if the princess was poisoned to death eight years ago.