The drama tells the heartbreaking story of a woman who sacrificed her lifetime for the welfare of her family, who one day receives a severe cancer diagnosis. Previously, veteran actresses Won Mi Kyung and Kim Young Ok were cast as the mother and the mother-in-law. Choi Ji Woo and Minho will be joining the lineup as Won Mi Kyung's daughter and son. 

'The Most Beautiful Goodbye in the World' will air some time this December, after the end of 'Revolutionary Love'.