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...
박하나
as Bo-young
허진
as Grandmother Wang
정영주
as Mrs. Kim
Oh Eun-Seo
as An Da-Jung
Kim Joo-eun
as Soo-Young
전영
as Choi In-Sook
Goo Bon-Woong
as Mr. Park
