Grech in Bloomington, MN

An elderly homeless man living on the edge of a beach discourses at length on philosophy, poetry and science (hinting he may have once been a private detective). But his history remains mysterious, and he goes by a different name depending on whom he is talking to. He seems obsessed by someone in his past named Grech whom he appears to blame for the chain of events leading to his current misfortune, but the stories don't quite add up....