Elida, a wizard-for-hire in her twenties, works as a private investigator in Pittsburgh. After her father's death, she throws herself into solving supernatural cases that the police can't handle. Her journey begins with a childhood dream of becoming a detective, inspired by the Hawkshaw comic strips. She partners with Detective Aurora Miller, who got relegated to unassigned cases after witnessing something unbelievable. Their collaboration starts when Aurora hires Elida to solve a mysterious case, sparking a friendship that hints at deeper feelings. Meanwhile, Elida juggles small jobs to fund her research on fallen angels, one of whom, Penemue, haunts her dreams and reality. She also navigates the interference of the Alabaster Council, a wizard-governing body that opposes black magic.

While working for Joe Castellano to set up enchantments against burglary and lost keys, Elida spots a man with a sword fighting off a ghoul. This man, Joseph, belongs to an order of knights combating demonic influences. He reveals that Penemue's presence has weakened around Elida and suggests he might recruit Zackry Wallace, an army vet Elida took under her wing. Zackry has seen things others haven't and claims descent from William Wallace. He falls in love with a flower shop owner while guarding against supernatural thieves, but remains ready to fight when needed.