Choi Bong-seok, who returned to Sakju from Pyongyang, deceived liquor wholesalers and embezzled money. Later, this fact was revealed, and Choi Bong-seok was attacked by drinkers. After leaving Sakju, Choi Bong-seok meets Baekyu-gye, an oriental medicine doctor, and through him, he returns to Christianity. After that, as the faith deepens and becomes a preacher, Choi Bong-seok enters the seminary through the arrangement of the church. By studying theology, you lead a systematic life of faith. After graduating from seminary, Choi Bong-seok starts missionary activities in Manchuria and builds a life of faith by conducting missionary activities such as establishing as many as 20 churches there.