Marco Sol is a Terrier of no club, the kind of pup who bites a problem just to confirm it is real. Anyone within earshot of Marco Sol eventually hears the theory that the cracked freeway used to be a river that the sky drank. Pups passing the flooded market halls sometimes wave to Marco Sol out of habit, even on days when nobody is actually there. Marco Sol believes ordinary days are where big mysteries hide, usually under a bowl or behind a door nobody checked.