He's the poster boy for the delinquents, and she's the valedictorian for her year. They end up in calculus together, and the rest is history. /high school AU

In this sequel to "A Study in Gold," Dr. Hopps returns to Zootopia after Christmas of 1881 and finds herself almost immediately caught up in another baffling case with her flatmate and friend, consulting detective Nicholas Wilde. After a mysterious and paranoid mammal sends a telegram begging for help, the two must put an end to a series of attempted murders before it's too late.