They Are Strangers (2018)

Rebecca Thayer, is an eccentric, critically acclaimed romance novelist. Her latest book, Body of the Night has gained recognition worldwide; and in the wake of her success she has been contracted to write another novel. In the meantime, Rebecca discovers that her boyfriend, William- may be having an affair. Lost, and crippled by writers block- Rebecca becomes obsessed, paranoid, and vengeful. With her deadline drawing closer, Rebecca's publishing agents hound her for the new manuscript. All the while, William becomes increasingly distant. Her brother and best friend urge her to let go and walk away. Will Rebecca make the deadline and somehow salvage her relationship? Or will she succumb to her inner demons; and in the heat of passion, turn to violence?