Kimhan and Mookarin were engaged to be married but a tragedy destroyed their happiness. Mon, Kimhan's sister, was found dead and her husband Tada, Mook's brother, was accused of killing her.
Two guys who grew up in a temple are misunderstood as jailbirds. They come back, then meet a tomboyish girl and a undercover policewoman who disguised herself for an investigation. At first the four are enemies, but later romantic relationships are developed.
Tiwa is the heir of a wealthy family, but was lost at sea as a child and grew up on an isolated island. Chomdao is a pretty, clever girl who works for a wealthy family, but longs to start a business in South Korea. While working, she falls off a cliff into the ocean while running from a man who is obsessed with her beauty. When she wakes up, she finds herself on Tiwa's island
Mayrisa's father comes from a rich family, but her mother was poor so she wasn't accepted by her father's family. They went to live in the countryside, where Mayrisa grew up with Aidin, her childhood best friend. One day, her grandmother takes her in and she goes overseas. Ten years later, Mayrisa and Aidin meet again as adults. She doesn't remember him anymore but he recognized her immediately. She was his first love and he's still in love with her. Because of their class differences, he's trying to get over her and move on. However, he's always there when she needs help.