Im Nayeon, a top student studying criminology, starts to take matters in own hands when a well known student dies at a party. With all the knowledge she has she tries to solve the case herself.

Jennie wants to find a quick way to earn some money. While looking for a sugar daddy, she gets surprised when a sugar mommy messages her.

Falling in love isn't easy, especially when your sister gets with your crush first.

Nayeon and Yerim decide to set Joy up on a date with Sana.