This film shares a certain spirit with "The African Queen" (1951), despite being a fairly forgettable but entertaining story about "Flynn" (Lee Marvin), his daughter "Rosa" (Barbara Perkins), and her upper-class British husband "Sebastian" (Roger Moore). They embark on a quest to get payback for the ruin of their East African existence by attacking the "SMS Blücher" of the Kriegsmarine while it's being fixed up close…