Dear Future Husband

Dear Future Husband...
Ella Cassidy is looking for love, so when she hears about Grace Graham's dating service 'What the Heart Wants' where you handwrite love letters to your potential suitor, she's eager to start.
She's so in, she starts her letter 'Dear Future Husband'. But there's an error that leads to Ella getting letters from TWO potential suitors. One's letters are the romance she's dreamed of, the other's letters are, well, just so darn... DIRTY.
Ella's roommate, Finn, tells her she's bound to end up on a date with a six-stone, pasty-faced serial killer. But are Finn's concerns just for Ella's safety, and are the suitors who she thinks...