India, June 24 -- Voicemails for Isabelle has been winning hearts ever since it arrived on Netflix. Starring Zoey Deutch and Nick Robinson, the romantic drama follows Jill, a young woman who copes with the loss of her sister Isabelle by leaving voicemails on her old phone number. What she doesn't know is that the number has been reassigned to a man named Wes who slowly falls for her through the messages she leaves behind.

But did you know the premise of voicemails actually came from an unexpected real life moment. Writer director Leah McKendrick has revealed it all.

Speaking to People, McKendrick shared that she first wrote the script over seven years ago. While the story's focus on sisterhood came naturally because she is an older sist...