By day...
She is a sweet kindergarten teacher, an angel to the little ones.
But by night...
She transforms into a scorching hot DJ, the keeper of the night's secrets and desires.
When "Ploy-Pailin," a flawless businesswoman and single mother, surrenders to a fleeting night of passion with a mysterious DJ to soothe her loneliness, she never suspects that the woman whose services she purchased that night is none other than "Teacher Namwan," her son's beloved homeroom teacher!
Amidst erratic heartbeats and secrets that must be buried, can a forbidden relationship born of a "transaction" blossom into "true love"? Especially when societal norms, strict rules, and a haunting past stand ready to shatter their entire world at any moment...