A young woman is in love with a successful surgeon; a man torn between his love for her and his womanising. His mistress, a free-spirited artist, lives her life as a series of betrayals; while her other lover stands to lose everything because of his noble qualities. In a world where lives are shaped by choices and events, and everything occurs but once, existence seems to lose its substance and weight – and we feel ‘the unbearable lightness of being’.