The Princess Bride is a 1987 American romantic comedy fantasy adventure film directed and co-produced by Rob Reiner, based on the 1973 novel of the same name by William Goldman. The plot revolves around a grandfather who reads a book called "The Princess Bride" to his sick grandson. The movie follows the story of a young woman named Buttercup, who falls deeply in love with her farmhand Westley.
After Westley is believed to have died at sea, Buttercup is engaged to marry Prince Humperdinck, a man she does not love. However, Buttercup is kidnapped by a trio of criminals, including a giant named Fezzik, a swordsman named Inigo Montoya, and their leader Vizzini.
Westley, who is not actually dead, sets out to rescue Buttercup from the kidnappers. Along the way, he faces challenges such as battling a six-fingered swordsman and escaping a pit of despair. Meanwhile, Prince Humperdinck also goes searching for Buttercup, but with different intentions.
Eventually, Westley and Buttercup are reunited, but Prince Humperdinck captures and tortures both of them. Inigo and Fezzik join forces with Westley and Buttercup to defeat Prince Humperdinck and his henchman, Count Rugen.
In the end, everyone is reunited and Westley and Buttercup are able to marry and live happily ever after. The movie also features a quirky cast of characters, including Miracle Max, a potion-making wizard played by Billy Crystal, and Peter Falk, who plays the grandfather reading the story. The Princess Bride has become a beloved classic, known for its humor, wit, and heartwarming romance.