The protagonist of the story is Kang In-ha (played by Lee Young), who has nothing but his handsome appearance and personal charm. Although he comes from a poor single-parent family, he is very eager for success. Later, he discovers that his father is actually a well-known company.Jiang Renhe became the chairman of Jiang Ao Group, so Jiang Renhe decided to create a career for himself at all costs. However, after entering the chaebol family, Jiang Renhe was excluded by other family members. He began to have a relationship with Han Taiwu, a resourceful friend whose father was a murderer.“ (played by Lee Jae-wook) joins forces to plan to take over the company and occupy the top position of the pyramid.

When the two succeeded smoothly and continued to rise steadily, they met another childhood playmate, Na Hye-won (played by Hong Xiuzhu), who had a similar bumpy past and was heavily in debt. She was also ambitious and wanted to get rid of poverty., therefore threatening Jiang Inha and Han Taiwu that unless they agree to her request, they will do their best to destroy their plans...

Therefore, the trio of ”murderer's son“+”chaebol's illegitimate son“+”debtor's daughter% revenge, in addition to fighting wits and courage with the chaebol's royal family's children, the three also engaged in intrigues among themselves.Which top will they climb from the bottom to the top?Has the clay spoon finally triumphed over the golden spoon?

Lee Jun-young plays the protagonist "Kang In-ha" in The Impossible Heir. He is a character who has nothing but his handsome appearance and personal charm. Although he was born in poverty, he is very eager for success.When he discovered that his father was actually the chairman of the well-known company Qiangwu Group, Renxia decided to create a career for himself at all costs to escape from a life of poverty.

Lee Jae-wook plays In-ha's resourceful friend "Han Tae-oh". In-ha enters the chaebol family and is ostracized by his family members. Therefore, he recruits Han Tae-oh to join forces and plans to take over the company and occupy the top position of the pyramid; Hong Soo-soo plays the two characters."Luo Huiyuan" is a woman who may ruin their plans on her way to success.