When the Lazarus Project are rocked by an event that they have no control over, the organisation is sent into disarray. They are in a race against time to find a solution to what seems like an impossible problem.
The merging of two black hole singularities causes the Project's agents to live the same three weeks on repeat. George must save Shiv from being shot to death just after midnight on 1 July, and Archie must save Janet from the clutches of a Chinese government experiment gone disastrously wrong.