Leo Melikian, a smart but naive 25-year old stuck in a lowly white-collar job in the South of France, wakes up one day with this exact power. Monday followed by Monday, Tuesday by Tuesday - and only the second day counts.
From winning the lottery to using his power to improve his career, Leo's life begins to radically change. But as he travels around Europe on the first days, he discovers darker forces at work on the continent - and realizes they might affect him just as profoundly.