Ji-hye is a once-successful and beautiful swindler, who recently begins failing with her cons and dreams of changing her small-job life. Before her retirement, she decides to take on one last job which could change her whole life: seducing the son of a wealthy art broker family to steal the golden treasure hidden in their se- cret mansion. With the help of her daughter Ju-young, she succeeds in earning the trust of the family but it turns out to be a never ending battle. Can Ji-hye and Ju-young find the legendary treasure and start a new life?
Yoon, the bride-to-be, waits for her groom Tae-young on the wedding day but he doesn’t show up without a word. Out of concern and rage, Yoon goes out looking for him all day long and in the dead of night, she arrives at a strange place called ‘Café Midnight’, which opens from midnight until the sun rises. In here, Yoon finally finds Tae-young but something doesn’t seem right. He looks few years younger than now and he doesn’t even recognize her. Will she be able to find her groom from the present in this chaos?
Bo Young moves into the mansion of the previously wealthy grandmother, Wang, as a caregiver with a dangerous intention. Mother Kim, the only blood relative of Wang who hired Bo Young, sets conditions such as 'Do not bring anyone, especially children,' and 'Do not go near the reservoir'. Ominous and bizarre signs continue in grandmother Wang's huge mansion located next to a reservoir called 'Gwimot', where people are dying, and Bo Young finds out that foreigners who have visited the place have suffered a mysterious death...
Kang Woo-ram is busy preparing to get a job. Lee Hyun-ji is a would-be anchor, but she works at a homemade hamburger restaurant. One night, Woo-ram visits the hamburger restaurant and orders a double patty hamburger, which has a "buy one, get one free" sale. This is how their relationship begins.