An inventor and his accomplice plan to rob a ship carrying gold bullion by using a submarine. A waiter overhears their plans, buys himself an admiral's uniform, tricks his way into command of the sub and plots to take the ship himself.

In an attempt at greater efficiency, the chef of a fancy oceanside restaurant and his assistant wreak havoc in the establishment. Adding to the complications is the arrival of a robber.

When Mabel catches her husband flirting with their maid, it leads to a sharp dispute. As part of making up, the couple decide to take a walk to the park. Nearby, another married couple have just had a similar domestic squabble, and they too go to the park together. But at the park, both men find it difficult to avoid getting themselves into further trouble.

The beach front house, where Fatty and Mabel live, has been "launched" out to sea by the villains. When Fatty and Mabel arise, they find the beds floating in a sea of water.

Roscoe, his wife and his mother-in-law run a seaside resort. Buster plays a gardener who puts out a fire started by Roscoe, then a delivery boy who fights with the cook St. John, then a cop.

Johnnie loves his train ("The General") and Annabelle Lee. When the Civil War begins he is turned down for service because he's more valuable as an engineer. Annabelle thinks it's because he's a coward. Union spies capture The General with Annabelle on board. Johnny must rescue both his loves.