"Sinkhole" is about what happens when a newly built villa falls into a sinkhole with its residents trapped inside. The residents’ families and emergency services attempt to save them. The main character, Park Dong Won is a man who finally buys his home after 11 years, only to have it fall into a sinkhole within a minute. Along with Dong Won, there's also Kim Seung Hyun, who ends up getting stuck in
