The Arcane Cocktail Enthusiast #2 continues the story of Lark Leraar, who is both a powerful sorcerer and the owner of the Arcanist Bar in San Francisco. When Lark realizes that dark magic has crept notjust into the drinks but has infected the new guy Bill, she and her best friend Naomi undertake a dangerous mission to save him. Meanwhile, Bill meets a member of the Arcanist's house band with a mystical secret of his own.