K.O.3an Guo Episode 3

The Five Tiger Generals have conquered the Eight Doors Golden Lock Formation, but during the final trial, Guan Yu's arm gets shot by a poisonous arrow. When the poison begins to inhabit Guan Yu's arm, Xiu/Liu Bei and the others search for the "famous doctor"; the only person who can treat his arm. But upon arriving, the doctor hears that one of them is Ma Chao and immediately refuses to treat Guan Yu's arm. Ma Chao finds out that the Famous Doctor is actually the mother of his dead friend. The other boys help him find the courage to face his past. Though Famous Doctor and Ma Chao solve their issue, she still refuses to heal Guan Yu and the responsibility is passed on to her apprentice, Hua Tuo. Dong Cheng Wei pays Xiu/Liu Bei a visit.