Bad Jobs

Brennan Shale has spent his career saying yes to the jobs no one else would take. Dangerous postings. Impossible timelines. Assignments that left marks. He has always had reasons, and the reasons have always been real, and none of them have made him easier to live with or harder to replace. When a man in a grey suit sits across a conference table in Geneva and opens a folder, Brennan discovers that his entire career has been preparation for one final assignment.
Someone has to hold station at the edge of a supermassive black hole for ten minutes. Someone has to bring back what six probe missions could not. Someone expendable enough to send and capable enough to survive. At the event horizon of Sagittarius A*, time does not behave. Ten minutes of mission time means decades passing on Earth. The craft holding together by engineering and attention. The data streaming in at rates no automated system could interpret.
And two competing theories about what happens when Brennan fires the drive and tries to come home - one that brings him back to his daughter's timeline, and one that does not. At the event horizon of everything he has avoided, Brennan Shale finally runs out of ways to defer the things that matter most. The mathematics of consequence. The cost of being indispensable. And the question of whether coming home means anything when home has moved on without you.