Dos formas de escribir una novela en Manhattan

Siobhan Harris has just fulfilled her life's dream: to publish a romance novel. Marcel Black is a successful crime novelist who hides behind a pseudonym. An intense debate on Twitter in which they are accidentally involved pits them and both literary genres against each other. But fate is capricious and has prepared an interesting challenge for them: to write together a story that shows that romance and mystery are doomed to understand each other. Will they manage to do it, even if they get along like a cat and a dog?