"Arcadia High" is a suspenseful, stylish supernatural mystery series headlined by Hailee Steinfeld. The story is set in a seemingly idyllic, affluent coastal town hiding generations of strange secrets and a history of paranormal events. As a new school year begins, a diverse group of students—each with their own hidden abilities or pasts—becomes entangled in unraveling the town’s darkest mysteries and battling forces beyond their understanding.