A strong, spinach-loving sailor with a peculiar way of speaking, noticeable forearms, and a squint, arrives in the small coastal town of Sweethaven. His name is Popeye, and he's on a mission to find his long-lost father. Popeye rents a room from the Oyl family, where he meets Olive, the lanky, quirky daughter engaged to the brutish Bluto, a large man who taxes the townsfolk on behalf of the mysterious Commodore. The town

is quirky, governed by odd rules and populated by an ensemble of eccentric characters. Olive, struggling with her impending marriage, starts to see something charming in Popeye’s odd demeanor.

As Popeye adjusts to life in Sweethaven, he becomes a fixture in the community, his heart growing fond of Olive Oyl. Meanwhile, Bluto grows increasingly jealous of Popeye's budding relationship with Olive, leading to a tense rivalry. Tensions rise further when a baby named Swee'Pea washes ashore, and Popeye and Olive take him in, amid mysterious circumstances. The little family navigates the peculiar dynamics of Sweethaven, as Popeye gets drawn into the conflicts and peculiarities of the town, all while his search for his father continues amidst the backdrop of Sweethaven's whimsical and sometimes melodic chaos.