What episode is the bad dog blocking the door in the old pub?

The third episode. In the third episode of the TV series Old Pub, when Chen Huaihai's pub just opened, the local ruffian blocked the door with a vicious dog, and the man drew his sword to help him drive away the local ruffian. The Old Pub is a chronological drama directed by Liu Jiang, written by Chen, Chen, Chen and Chen. The play tells the story of Chen Huai Hai, the owner of a small shop named Shandong Old Tavern in Dalian during the Republic of China.