He is an out of work engineer and his wife is a rising star at the bank in which she works. His friend is an architect and also out of work. Their wives are both professional women and earning a good salary. Sitting in the park one day, the electrician laments his lack of funds, and the architect tells of some of his research on local architecture, particularly an underground out-of-use sewer system that runs directly beside the vault in the bank. Rob a bank? Unthinkable.