To explain further... since many of you have englis as a seccond linguine.
heroine: A woman noted for courage and daring action; a woman noted for special achievement in a particular field; the principal female character in a novel, poem, or dramatic presentation
heroin: A white, odorless, bitter crystalline compound, C17H17NO(C2H3O2)2, derived from morphine. Also called diacetylmorphine.