For Lacan, desire cannot be satisfied even when our demands are met. The lack of being is the cause of constructing love-illusions. The act of love is caught up in fantasies. Morel, Gertude, Paul, Miriam and Clara fall in love in Sons and Lovers, but their relationships are found out as self-deceptions. Their love has been mediated through the ``object a`` without which love is impossible at all. Each of lovers is positioned at an ``object a``, promising the fulfillment of being by their Imaginary integration. However, this is a mis-recognition; in love, there is only the signifying process of metonymic displacement. Furthermore, the love-illusions are manipulated by the sexual differences through ``all`` and ``not-all`` or ``Having the Phallus`` and ``Being the Phallus``. Men and women are camouflaged according to their gender roles under the structural effects of the Phallus. This kind of sexual relationship inevitably ends in a disaster. Sons and Lovers unveils an ontological tragedy - the impossibility of love, and the lack of being is the criminal of causing the existential tragedy of love. (Hannam University)