Tiwa Sorn Dao (2019 Thai Drama) episode 1

Tiwa is the heir of a wealthy family, but was lost at sea as a child, growing up on an isolated island. Chomdao is a pretty, clever girl who works for a wealthy family, and longs to start a business in South Korea. While running away from a man obsessed with her, she falls off a cliff and into the ocean. Upon awakening, she finds herself on Tiwa's island.