Poor husband, wife's dreams broken => leads to divorce. Then after years of separation both meet again. Both males are now successful while their ex-wives are not having much work out for them. And the drama begins.
Phoenix is the original story that Phoenix 2020 is based on. A lot of the characters have been kept from the original story, and its main themes are the same, therefore you can watch and compare the similarities and differences of these two dramas.
Both 1st main leads love each other and marry but had to break up because of family pressure and then comes sweet 2nd Lead Seo Ha Joon to heal FL's emotional wounds and they eventually fall in love.