Hello there!
That's all the mysterious envelope says.
Britt Merlino doesn't know who left it for her. All she knows is that the words on the envelope and the letter inside are in her own handwriting, written by someone who knows every detail of her struggles in college, her conversations with friends, and her love of bubble tea.
The letter invites her to a meeting where all will supposedly be explained. But can Britt trust the letter's author? Even if this author is, as she seems, another Britt Merlino?