Fatty has been dragged along to Coney Island by his wife who insists they spend their time together on the beach.
Getting inspiration from a dog digging a hole in the sand, Fatty ditches his wife by burying himself in the sand then making a run for the amusement park as she searches for him.
Fatty's wife enlists the help of an old friend (Al St. John, referred to as "Old Friend") who enters the park to look for Fatty, however once inside he notices an attractive young lady (Alice Mann, referred to as "Pretty Girl") who is there on a date with a young man (Buster Keaton, referred to as "Rival") and promptly woos her into entering the park with him rather than Rival, leaving the latter distraught.

Finding he has no money, Rival gains entry to the park by hiding in a barrel and follows Pretty Girl and Old Friend around the park.
Once inside, Rival and Old Friend both attempt to impress Pretty Girl, Rival by trying to win on the high striker and Old Friend by buying her ice cream but Pretty Girl is ultimately unimpressed by both men's childish behavior
Fatty shows up on the scene and is likewise smitten with Pretty Girl and begins making polite conversation with her.
When Old Friend returns with the ice cream, Fatty pretends he got them for her in order to impress her which it does.
Old Friend furiously threatens Fatty, but Fatty kicks a nearby policemen in the rear and makes him think Old Friend did it leading to the latter being arrested.

Fatty and Pretty Girl next go for a ride on the log flumes but the force of the impact upon hitting the water sends both flying into the surrounding pool.
Rival saves Pretty Girl and Fatty but is immediately knocked accidentally into the pool by Fatty who, seeing that Rival can swim and will not drown, once again walks off with Pretty Girl.
Spotting his wife looking for him, Fatty takes Pretty Girl into a nearby boathouse and the two dress up (Fatty as a woman and Pretty Girl in a new dress and a long wig) to avoid detection before heading to the beach.

Arbuckle's wife has heard that Old Friend has been arrested and bails him out of jail and the two go to the beach to come up with a new plan where they bump into Fatty and Pretty Girl in their disguises.
Old Friend finds himself attracted to Fatty dressed up as a woman and flirts with him before Rival arrives on the scene and reveals that the woman is in fact Fatty.
Furious, Old Friend chases Fatty to the sea where they begin to fight.
Pretty Girl, realizing that Old Friend is a sleazy womanizer and Fatty has a wife, decides to return to Rival and the two run off down the beach together.
Fatty's wife calls the police to break up the fight and three police officers (The Keystone Cops) arrive at the beach to arrest both men.
They are taken to jail but before they can be locked up they overpower all of the cops and throw them in the jail cell.
Before Fatty can leave he receives a furious dressing down from his wife until he can take no more and throws her in the jail cell as well.

In the film's closing moments Fatty and Old Friend stand on the police steps and agree that the pursuit of women was the reason for all of their misfortune today and both swear off women for good.
However, just after making this pact two attractive women walk past them and the two gleefully give chase.
Fatty has been dragged along to Coney Island by his wife who insists they spend their time together on the beach. Getting inspiration from a dog digging a hole in the sand, Fatty ditches his wife by burying himself in the sand then making a run for the amusement park as she searches for him. Fatty's wife enlists the help of an old friend (Al St. John, referred to as "Old Friend") who enters the park to look for Fatty, however once inside he notices an attractive young lady (Alice Mann, referred to as "Pretty Girl") who is there on a date with a young man (Buster Keaton, referred to as "Rival") and promptly woos her into entering the park with him rather than Rival, leaving the latter distraught.
Finding he has no money, Rival gains entry to the park by hiding in a barrel and follows Pretty Girl and Old Friend around the park. Once inside, Rival and Old Friend both attempt to impress Pretty Girl, Rival by trying to win on the high striker and Old Friend by buying her ice cream but Pretty Girl is ultimately unimpressed by both men's childish behavior
Fatty shows up on the scene and is likewise smitten with Pretty Girl and begins making polite conversation with her. When Old Friend returns with the ice cream, Fatty pretends he got them for her in order to impress her which it does. Old Friend furiously threatens Fatty, but Fatty kicks a nearby policemen in the rear and makes him think Old Friend did it leading to the latter being arrested.
Fatty and Pretty Girl next go for a ride on the log flumes but the force of the impact upon hitting the water sends both flying into the surrounding pool. Rival saves Pretty Girl and Fatty but is immediately knocked accidentally into the pool by Fatty who, seeing that Rival can swim and will not drown, once again walks off with Pretty Girl. Spotting his wife looking for him, Fatty takes Pretty Girl into a nearby boathouse and the two dress up (Fatty as a woman and Pretty Girl in a new dress and a long wig) to avoid detection before heading to the beach.
Arbuckle's wife has heard that Old Friend has been arrested and bails him out of jail and the two go to the beach to come up with a new plan where they bump into Fatty and Pretty Girl in their disguises. Old Friend finds himself attracted to Fatty dressed up as a woman and flirts with him before Rival arrives on the scene and reveals that the woman is in fact Fatty. Furious, Old Friend chases Fatty to the sea where they begin to fight. Pretty Girl, realizing that Old Friend is a sleazy womanizer and Fatty has a wife, decides to return to Rival and the two run off down the beach together. Fatty's wife calls the police to break up the fight and three police officers (The Keystone Cops) arrive at the beach to arrest both men. They are taken to jail but before they can be locked up they overpower all of the cops and throw them in the jail cell. Before Fatty can leave he receives a furious dressing down from his wife until he can take no more and throws her in the jail cell as well.
In the film's closing moments Fatty and Old Friend stand on the police steps and agree that the pursuit of women was the reason for all of their misfortune today and both swear off women for good. However, just after making this pact two attractive women walk past them and the two gleefully give chase.
Coney Island (1917 film)