The seamy side of the Hong Kong film industry is laid bare in "The Call-Girls". Based on the infamous starlets-for-sex vice scandal that rocked the 1970s movie world.The seamy side of the Hong Kong film industry is laid bare in "The Call-Girls". Based on the infamous starlets-for-sex vice scandal that rocked the 1970s movie world.The seamy side of the Hong Kong film industry is laid bare in "The Call-Girls". Based on the infamous starlets-for-sex vice scandal that rocked the 1970s movie world.