A look at the hunt for California's Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early '70s.

The tight-knit Garvey sisters have always looked out for each other. When their brother-in-law winds up dead, his life insurers launch an investigation to prove malicious intent—and set their sights on the sisters, all of whom had ample reason to kill him.

Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.