After college, aspiring fashion entrepreneur Harper, and her longtime roommate and best friend, Abby, decided to move to Brooklyn to follow their dreams. After years of hard work and determination, Harper has started an exclusive online boutique called Vintage Brooklyn. Her thriving business has garnered the attention of some interesting clients, especially Mrs. Bauman with her priceless collection of designer vintage clothing handed down from her mother and grandmother.

Business is great until mysterious letters from a stalker start showing up in the foyer of Harper's apartment building. As she fills a large shoebox with the threatening letters, confused as to who could be sending them, she is thankful that she has Abby by her side to comfort her.

When she meets Ben, a protective, beautiful soul, she finds herself instantly falling head-over-heels for him. As a result, the mysterious stalker's behavior starts to escalate, unknowingly putting both of their lives in grave danger. Just when things seem like they couldn't get any worse, Abby's life starts to spiral out of control, and no matter how hard Harper tries to help her longtime friend, it all just seems hopeless. Distraught and heart broken, Harper doesn't know what to do, but her epistolary stalker seems to have things all figured out...