The Heart Within (1957) (UK-import)
Young Danny Willard (David Hemmings) and his grandfather (James Hayter) become involved in exposing a smuggling ring after they befriend Victor (Earl Cameron). Victor, recently arrived from the Caribbean with his fiancée, has been accused of murdering a local criminal. Although innocent, he needs Danny's help to expose the true culprits. Danny must now risk his life to prove Victor's innocence.