Overview: The adult drama 'The Secret,' which realistically portrays the stories of couples who wish to hide their secrets, contains wisdom on how to live a proper life of sexuality and desire by suppressing lust and deviating behavior through 'secrets.' Viewers will learn how to overcome dangerous desires, understand the boundaries of lines that should not be crossed, and discover extraordinary and wonderful ways to correct distorted views on sexuality and protect their family through the dangerous and secretive stories of those around them. Each episode of this drama is created based on the real stories of people whose seemingly-ordinary lives are filled with secrets and dangerous desires.