High Class (2021)

S1E10 Someone Is Here

During a downpour, a rock is hurled, shattering the window of Yeo Wool’s home, prompting Danny to rush in to protect both Yeo Wool and Yi Chan. At the same time, Ae Soon finds herself in trouble, arrested for vandalism after being spotted lurking outside Yeo Wool's house that evening. In response, Yeo Wool decides to install surveillance cameras around her property and soon begins to notice some unusual activity.