Disgruntled office worker spends most of his time playing with himself.
Fight Cub
Real description from newspaper TV guide from several decades ago that I have never forgotten:
“Witches make trouble for Scottish king and his wife.”
~Not interesting, not terribly accurate description of Macbeth.
Some of my favorite movies:
Some guys in helmets go rafting.
Aguirre
Traveler returns home, loses chess game.
The Seventh Seal
Guy renounces society; dies from malnutrition.
Into the Wild
Despite being drugged and raped, and going through a very difficult pregnancy, a woman refuses an abortion and agrees to mother her disabled, disfigured child, to the delight of a religious group
Rosemary’s Baby
A town proves that stay-at-home wives and mothers are the best!
The Stepford Wives
An early experiment in human cloning is successful
The Boys from Brazil
Oh, and another one: guy gets accused of sexual harassment during picnic, but is cleared in court.
A Passage to India
A bunch of friends see their day at the beach ruined when they find out that they have to go and look for a lost kid.
Saving Private Ryan
I can’t claim credit for this, but per a previous thread on this topic, and being one of my favorite movies, it has stuck with me;
“An American stumbles into the last act of an epic Chinese tale and assumes that he is the hero.”
Big Trouble in Little China
A group of pre-teen boys have a campout to celebrate summer’s last hurrah
Stand By Me
Two for One:
“Uh Oh, Silver!”
The Legend Of The Lone Ranger (1981)
The Lone Ranger (2013)
Tree hugging eco-terrorist commits theft, murder, and destruction of property:
Silent Running
The OP asked for summaries that are mundane. Some of the responses have strayed pretty far from that.
A bunch of guys agree to help a friend bring his wife back after she runs off with another man
Troy. Or The Iliad
Former cop gets angrier and angrier.
Mad Max
A servant fixes dinner for her employers.
Babette’s Feast
A man takes a boat trip to a camp out.
Apocalypse Now
A man sadly has to shoot his pet when it gets loose and causes havoc.
King Kong
A stray animal wanders in a city and causes problems for the Animal Control professionals.
– Godzilla
…not to mention
The Giant Pet
The Lost World (1926 version)
The Arctic Giant
Mighty Joe Young
The Beast from 20,000 Fathoms
- and a few tons of other Monster On The Loose flicks.
A bunch of youngsters drive out to the country and have a big party:
Woodstock
Another party is ruined by some surly participants:
Gimme Shelter
Law enforcement trainee faces challenging case, gains personal insight.
silence of the lambs, training day, point break