10 years after Dexter went missing in the eye of Hurricane Laura, we find him living under an assumed name in the small town of Iron Lake, New York. Dexter may be embracing his new life, but in the wake of unexpected events in this close-knit community, his Dark Passenger beckons.

Enslaved teenager Henry Shackleford, aka Little Onion, becomes a member in abolitionist John Brown’s motley family during the Bleeding Kansas era before the Civil War.