Inhalt: Sara is returning home from a conference abroad when agents from the Risk Assessment Administration pull her aside at the airport. Using data from her dreams, their algorithm has determined that she is at imminent risk of harming her husband. For his safety, she must be transferred to a retention centre, and kept under observation for twenty-one days. But as Sara arrives to be monitored alongside other dangerous dreamers, she discovers that with every deviation from the facility's strict and ever-shifting rules, their stays can be extended — and that getting home to her family is going to cost much more than just three weeks of good behaviour …