Elementary, a contemporary take on the legendary detective Sherlock Holmes who investigates crimes in modern-day New York City as a consultant to the NYPD and is assisted by Joan Watson, a former surgeon, who is hired by Holmes' wealthy father to help keep the eccentric detective sober.

Nine months after Abbie Mills (Nicole Beharie) and Ichabod Crane (Tom Mison) parted ways, they reunite when Abbie, now an FBI agent, returns to Sleepy Hollow to an imprisoned Crane. The two Witnesses face all-new dangers, including a demon who kills anyone with a dark secret, an undead army, and a horrifying beast with ties to Jenny Mills. But the arrival of a mysterious woman named Pandora brings the most terrifying threat of all. After she uses Abbie and Crane to resurrect "The Hidden One," a seemingly invincible god, the fate of the world hangs in the balance, leading to the series' most shocking climax so far.