Calla Winston's mobile devices sit in a corner of her room, covered in dust. Weeks ago, she shared photos and laughs with her best online friend. Now, after having felt the sting of betrayal, she prefers being hidden and friendless. She equates privacy with security and technology with pain.Then she meets Valcas, an otherworldly time traveler who traverses time and space with a pair of altered sunglasses. When an ethereal being knocks Calla to the...