Devil in the Lake

Boyeong moves into the mansion of Wang as a caregiver to steal the former millionaire's hidden pieces of jewelry.

Kim, the only relative of Wang who hired Boyeong, sets strange conditions such as 'Do not bring anyone, especially children' and 'Do not get close to the reservoir next to the house'.

Boyeong breaks the rule and brings her daughter to the place. Ominous signs start to appear.