Outline a plot for a heist novel where the story is told non-linearly across three specific timelines: The Planning (6 months ago), The Execution (Present day), and The Aftermath/Interrogation (2 weeks from now). Identify a specific plot twist that is only revealed when an event in The Aftermath recontextualizes a conversation in The Planning phase. Ensure the cause-and-effect relationships remain logical despite the scrambled chronology.