Brody and his wife Ellen argue, Ellen missing the swanky life she had before marriage to Brody.
1 Brody and his wife banter about Amity dialects, Ellen later suggesting they "get drunk and fool around."
Hooper is a well to do Ivy league egomaniac.
2 Hooper is Richard Dreyfuss at his most charming.
Hooper and Ellen have an affair (he is the younger brother of a guy she once dated) including seedy liaisons in an out of town motel.
3 Hooper and Ellen have a dinner with Brody and she embarrassingly asks him if he's "in sharks."
Deputy Hendricks pulls the shark tooth from Ben Gardner's dry-docked boat — he doesn't drop it.
4 Matt Hooper pulls the shark tooth from Ben Gardner's sunken boat — oops!
Mayor Vaughn is under pressure from the mafia to keep the beaches open: the mob have invested in Amity real estate and want to keep the value sky high.
5 Mayor Vaughn is under pressure from hoteliers, local businesses and his own greed to keep the beaches open.
Newspaper man Harry Meadows has a much bigger role, hushing up the shark attack, uncovering Mayor Vaughn's underworld connections and hiring Ichthyologist Matt Hooper.
6 Newspaper man Harry Meadows is a bit part played by co-screenwriter Carl Gottlieb.
Brody tries to strangle Hooper on deck due to suspicions of affair.
7 Brody edges out to the bow of the boat so that Hooper can take a picture.
Quint shoots beer cans on deck using a makeshift skeet launcher — taunts Hooper for not joining in.
8 Quint crushes beer cans on deck and tosses them overboard — Hooper taunts him by crushing a Styrofoam coffee cup.
Quint uses illegally caught unborn dolphin as bait.
9 Brody uses fish guts (chum) as bait.
The Orca comes home each night.
10 The Orca stays on the seas.
Hooper is killed in the shark cage — hooray!
11 Hooper escapes from the shark cage — hooray!
Quint is killed by drowning: he is dragged under water after harpooning the shark and his foot gets caught in the rope.
12 Quint is killed by the shark eating him.
The shark dies by harpoon-inflicted wounds, just as he is about to chomp Brody.
13 The shark by Brody shooting an air canister lodged in the creature's jaws.