In a world where music and imagination are the only lifelines, a young sailor named Jude lives in the dull and colorful city of Pepperland, a place completely dominated by the monotony and sadness of the evil Blue Meanies. However, Jude's life takes an unexpected turn when he encounters a yellow submarine that takes him on a psychedelic adventure. With the help of four iconic musicians from Liverpool, known as the Fab Four, Jude embarks on a musical journey to rescue Pepperland from the oppression of the Blue Meanies and restore its color and joy.
Throughout his journey, the group faces surreal situations and eccentric characters, all pulsating to the rhythm of the legendary Beatles songs. From the quest for peace in a chaotic world to the exploration of friendships and the power of music, each encounter is a celebration of love and creativity. With vibrant animations and a unique visual style, the film is a sensory experience that transcends generations. The journey culminates in an exciting showdown against the Blue Meanies, where music becomes the ultimate weapon. As the colors return to Pepperland, everyone is reminded that, at the end of the day, love and friendship are the most powerful forces in the universe.