A Chinatown gang kidnap whom they believe is the son of a wealthy Chinese-American couple, unaware that he is actually the maid's child. Fearful that the police will not be able to get the boy back alive, the maid contacts Robert McCall.

The Griffith family arrives in NYC on vacation from Duluth and things go wrong right from the start...their luggage is stolen by a gypsy cabbie and the hotel has lost their reservations. Bored and frustrated, Edie, the Griffiths 17 year old daughter wanders out of the hotel at night to do some exploring. She is lured into accepting a ride and finds herself abducted. The police can offer little help and with no one else to turn to they hire McCall to help find their daughter. His search will lead him into the seedy underworld of prostitution and an 'invitation only' ...