Each of the characters in 'The Palomar Paradox' deals with the Search for Extraterrestrial Intelligence (SETI) in their own way. As in real life some believe; others don't want you to believe. 'The Palomar Paradox' sees Luper Beauchamps a brilliant scientist back in an astronomical observatory searching for signs of extraterrestrial intelligence. He finds himself working with Leila Keiler a young student recovering from leukaemia and Karina Lowenhaupt an experienced astronomer. Other characters include Trent Foresyth a senior Pentagon official and his intern Rihanna Sørensen. They are charged chiefly with quashing all reports of and evidence for extraterrestrial activity.