HBO's new "Show Me a Hero" trailer showcases a noble, optimistic Oscar Isaac as he finds himself thrust into the uproar against the effort to desegregate public housing in 1980s New York. READ MORE: 6 Must-Watch TV Shows and Movies on HBO NOW in August 2015, From 'Birdman' to 'Show Me a Hero' "Show Me a Hero," based on the Lisa Belkin nonfiction work of the same name, looks to explore the corrosive relationship between American politics and the residents of urban New York and stars Isaac as Nick Wasicsko, a police officer turned mayoral candidate.