Dok O Sai Khwan

When Khom, a charming young man, must disguise himself as a servant to uncover the truth in the Sak house, he is aided by Sai Khwan, the daughter of a wealthy family who has run away from her wedding. She helps him as a cook and as his fake wife. Thus begins a chaotic, fun, and highly risky mission. The two must conceal their true identities to uncover the secrets kept in the Sak house. But can they hide the overflowing love they have for each other?
(Source: Thai = Kapook || Translation = TVDb)