Chopper One drops off Denny Johnson, an 11-year-old boy, who just makes it onto a bus to head to a little league championship game in which he'll be pitching. Later, Chopper One flies a wounded accountant, Arnold Nolan, out of the hospital to keep him in hiding until he can testify against crime boss, George Brenner in 24 hours. Gil and Don fly Nolan to a beach house for safe keeping. Captain McKeegan is disguised ad a fisherman and keeps watch on the beach house. Later, Nolan is lonely and sneaks into an empty room and calls his wife, Jean, to tell her to meet him at the beach house in the morning. George Brenner hired hoods, Regosi and Adams who were camped out all night at Jean Nolan's house. In the morning, they follow Jean Nolan to the beach house. Gil sees the cars approaching the beach house and he radios Don and McKeegan who are inside watching Arnold. Jean comes inside and stays overnight with her husband. The next day, a beach bum drives the green sedan to the beach house and Gil teaches Don how to fly Chopper One. Department regulations say that observers need to practice flying once a month. Gil cuts the engine as Don learns what to do in a free-fall. Chopper One lands hard but undamaged. Later, rooftop snipers set up a black-and-white patrol car in an ambush. One officer is shot after being dispatched to a fake call. Hoodlums, Maury Farrell and Tony Deetzer are part of The People's Liberation Army and they're gunning for cops. In an underground newspaper called, ""The Ripper,"" an ad was placed offering a $500 reward for ""a dead pig."" After the officer was shot, a later edition ad reads $2,000 reward for a ""pig spy helicopter."" Don and Gil visit Tom Seeley the newspaper editor to try to find out who placed the ads. Seeley said that he doesn't know and that the ads are mailed and paid in cash. After Don and Gil leave, Seeley heads over to Tony Deetzer's place. Seeley pleads with Deetzer to stop using the newspaper to place the ads about c