A mysterious rotting smell and hard thuds heard from above start the series off on an eerie note. Moon Joo-ran (Kim Tae-hee) is a seemingly perfect housewife, but under the guise of her well-kept home are a secretive husband and a son who possibly resents her (currently unknown) condition. Meanwhile, Chu Sang-eun (Lim Ji-yeon) is trapped in an abusive marriage and dreams of escape. As Joo-ran becomes paranoid about the smell in her backyard and Sang-eun gathers evidence to leave her husband, the two women find a harrowing revelation. Leads Kim and Lim immediately offer memorable, haunting performances, while the setup described above is a captivating start to a psychological thriller that promises a web of secrets and lies.