A mysterious trait spans generations. Modern science may have an answer, but uncovering its origins will shatter everything.

Arin Coppertree is a graduate student who seeks to break from the life scripted by her wealthy parents. Dane Hardy is a New York City bike messenger who risks it all to carve out a life removed from his tragic past. A unique genetic ability, once uncovered, brings them together.

Arin embarks on what starts as a quaint research trip to explore her family's past, but her efforts quickly attract unwanted attention. As she and Dane discover their shared history and dig for elusive answers, the forces of past generations rip their reality apart and threaten their freedom, identity, and even their lives.