Death, a grim reaper who's never had a friend, and Sparkles, the Last Unicorn, a celebrity influencer who is somehow immune to Death's touch never imagined they would become besties for life . . . or rather, death. And they didn't expect to get pulled into another wild adventure so soon. But when Sparkles's horn begins to glow mysteriously and the pair discovers a message left by his unicorn parents, Death reluctantly follows Sparkles on a search to find out what it all means. Sparkles is 100 percent sure the answer will be revealed through some hard-hitting, epic dance moves. Death wants to make sure there is minimal collateral damage. With nothing but golden cupcake bling as their compass, they embark on a journey into the depths of the sewers.