Shakuntala and King Dushyant
शकुन्तला और राजा दुष्यन्त
Quick Answer
Shakuntala and King Dushyant fell in love in sage Kanva's ashram and married by Gandharva rites. Due to sage Durvasa's curse, Dushyant forgot her. Only when a fisherman found the lost recognition ring was the curse broken and the couple reunited.