Crest is not excited to be on their Journey: the month-long sojourn on land all teen merfolk must undergo. The rules are simple: Help a human within one moon cycle and return to Pacifica to become an Elder-or fail and remain stuck on land forever. Crest is eager to get their Journey over and done with. Humans are disgusting. They've polluted the planet so much that there's a floating island of trash that's literally the size of a country. In Los Angeles...