When a wide-eyed 10-year-old girl visits her fathers insect laboratory, she receives an unorthodox education in genetics.

Young Betsey is forced to spend the day with her father in his laboratory, the Fly Room, where scientists study fruit flies, unlocking the laws of heredity that later became the foundation of modern genetics. While at first she feels closer to him than she ever has, she ultimately discovers secrets about him that will transform their relationship forever.—Alexis Gambis