Ever wondered what your life would be like if things had gone differently? If you had pursued your passion? If you hadn't met that person? Or what if, in fact, things could not possibly have been any different? A psychologist from a parallel universe will look for answers by studying the alternate lives of one of her patients.

• Daniel C. Dennett
• Barry Schwartz
• Max Tegmark
• Giorgio Coricelli
• Caroline Fauvet
• Myriam Ajar
• Olivier Wright
• Alfred Mele