Last S1, E8

Jang Taeho, a finance genius, fails in a financial scheme, leaving him with nothing. Pursued by those who lost millions in the failed scheme, Taeho is forced to hide in the underworld. At the bottom of life's pyramid, he will learn about the beggars' mafia-like world and their hierarchy, which Taeho decides to climb to take back his life.

Cast:Yoon Kyesang , Beom-su Lee , Seo Ye-Ji , Park Yejin , Ha Dong , Park Won-sang , Hyeong-jin Kong , Jong-jun Jeong , Won-yeong Jang , Yong Woo Lee , Se-ha Ahn , Jae-yee Goo , Cheol-min Lee , Ji-Hoon Kim , Hyo-jeong Ban , Lee Do-kyung , Ki-Cheon Kim , Kim Jong-goo