When her client is found dead of an overdose of a new and dangerous drug, PI Lily Nehme tracks the drug back to Tartarus, a popular nightclub run by Sebastian Galani. Under the guise of their new bartender, Lily infiltrates the club to find the dealer responsible. But as she spends time with the employees of Tartarus, Lily starts to fall for their lifestyle...and the reclusive owner. Her mission becomes secondary as she finds that there's more to Sebastian than meets the eye—and that he just might be the dealer she's looking for.