Jin Kyung was resentful of Kim Hee Sun.
On the 36th episode of KBS2 weekend drama "Incredible Days" (script Lee Kyung Hee, director Kim Jin Won) broadcast on June 22nd, Cha Hae Joo (played by Jin Kyung) started to say hurtful words out of jealousy to Cha Hae Won (played by Kim Hee Sun), her younger sister.
In the previous episode, Hae Won learns that Hae Joo was pregnant and she asked who the father was. As they could not reveal the fact that there was a pregnancy, Hae Joo was in a bind and was sent to the hospital because of stress.
Afterwards, Hae Won learns that the child's father is none other than Kang Dong Tak (played by Ryu Seung Soo). Then, Hae Joo returned her consciousness and comforted her saying, "It was almost dangerous but thankfully the baby is fine."
On this episode, Ryu Seung Soo and Jin Kyung announced their marriage and surprised the family.
Meanwhile, "Incredible Days" tells a story of Kang Dong Suk, a poor man in a rural area who goes to Seoul to study and succeeds as a prosecutor in Seoul He comes back to his rural hometown after 15 years. The drama tells the story of people around him and deals with themes of the value of family, neighbors and greatness of love.