​Mai, heartbroken over the loss of her fiancée Youji, is on a mission to conceive his child. Determined to make her dream come true, she seeks assistance from genetic researchers. However, the project comes with a hefty price tag. In order to finance it, Mai takes up a rather unconventional profession – a DNA Hunter. As a member of this exclusive group, her task is to obtain semen samples from men desired by clients, using whatever means necessary. But becoming a DNA Hunter entails passing a challenging test: acquiring the sperm of a complete stranger. Can Mai overcome this obstacle and fulfill her ultimate goal? Join her in this intriguing, emotional journey as she navigates her way through passion and sacrifice to secure a future with Youji’s baby.​