Onyx Webb is a multi-genre mash-up that combines elements of supernatural suspense, crime, horror, romance, and more. The Onyx Webb series follows the unusual life of Onyx Webb along with a central group of characters in various locations and times. The billionaire Mulvaney family, piano prodigy Juniper Cole and her brother Quinn, paranormal show hosts Cryer and Fudge, and a few others make up the core of the series.