In a world of secret benefactor and beneficiary relationships, the story of "Daddy-Long-Legs" continues with Andrea Yuriness stumbling upon a perplexing mystery. A serial killer is targeting young women, and the girls at Erta Academy are the most at risk! So she and her dormmates start a student-led investigation in order to protect all the girls on campus. But as someone with a secret benefactor herself, Andrea will soon realize that she has deeper ties to this case than she thought.