What is the synopsis of You from the Stars?

Based on the UFO recorded in 1609 A Record of the Korean Dynasty, this drama tells the story of an alien who fell to the Korean Dynasty 400 years ago and lived alone in the sky of Seoul, South Korea with his secret, with the incredible imagination of the screenwriter, for four centuries. He still has the same young and handsome appearance as when he first came to earth, and has super genius ability. He is Do Min Joon (Kim Soo Hyun), currently a university lecturer. On the other hand, hallyu star Qian (played by) is arrogant.

The men and women next door struck a spark and found a bond related to past lives. Do Min Joon will return to his own planet in three months, and he accidentally falls in love with hallyu star Jian Shengyi.

/kloc-At the beginning of the 0/7th century, UFOs appeared over North Korea, which opened a legendary marriage that lasted for 400 years. When time comes to the present age, aliens who come to the earth live among ordinary Koreans like Do Min Joon (Kim Soo Hyun), a university professor. There are still three months before the comet approaches the earth, when aliens who have been stranded on the earth for 400 years can return to their homeland.

However, before that, he always thinks of the girl Xu Yihua (Hien Kim Shi Xiu) he met when he first came here. He is eager to see the little girl who was saved 12 years ago. Min Jun lives next door to the criticized national idol Qian (Gianna Jun), who is also a student of his university. The initial communication was not smooth, but Min Jun soon discovered that the girl had such a deep relationship with him.