Emma is up late studying when the fire alarm goes off. In the grass outside the dorm she runs into a barely clothed Killian Jones.

After the epilogue of Allegiant. Tobias has moved on with his life as best as he could 29 years after Tris's death. He has also moved up in the political world of Chicago, but things are not all smooth sailing in the self-sufficient city. An outside force is disrupting their peace, which may bring to Tobias what he has always secretly wished for: death.