Joel and Priscilla have been in love since they were children. Joel's older brother Mark announces his engagement to her without obtaining her permission. While Joel and Mark are at sea, Mark is abandoned in Singapore by the Ship's Mate Finch who, upon their return, convinces the townspeople that Joel abandoned his brother. Joel, determined to not only find Mark but to see justice done, returns the ship to Singapore. Aboard the sea voyage home there is a mutiny.