Having just moved to California, Syretia's mother enrolls her and her younger brother, Sean, in the only summer camp available: Mars or Bust, which is focusing on the Mars Curiosity rover due to land soon; Sean is thrilled by all things involving space, but eleven-year-old rock enthusiast Syretia is not really interested, until she discovers that the rover will be studying Martian geology--as Syretia's team works on their end-of-camp project, and the hour for the Mars landing approaches, she finds herself caught up in the excitement and anticipation.