My Father Is Strange (2017)
About a middle class family that lives on the outskirts of Seoul which consists of the father, his wife, their three daughters, and their one son. However, one day, a young man, who is a celebrity, shows up at the household claiming that he is the son of the family.
My Father is Strange is a 2017 South Korean television series starring Kim Yeong-cheol, Kim Hae-sook, Ryu Soo-young, Lee Yoo-ri, Lee Joon, Jung So-min, Ryu Hwa-young, and Ahn Hyo-seop. The series aired on KBS2 every Saturday and Sunday from 7:55 p.m. to 9:15 p.m. (KST). The TV series gained huge popularity and was extended by 2 episodes (original 50).