When Tabu and Rekha share an apartment in Mumbai, they never realize that their search for love and solace with men would come a cropper and they would be sadly disillusioned with an emotional void and a lack of trust. The comfort level they share translates into an emerging bond which has a definitive promise of fulfilment which transcends the barriers of friendship and evolves into love. A story of love and longing, The Dark Rainbow bring alive the colours of true love.