Complex sentence: In "This Is Your Sword", in flashbacks to Hong Kong, Akio, the couple's son is infected with the virus, and despite unrelenting effort from Maseo and Oliver, Akio perishes in Tatsu's arms.
Split into simpler sentences: In "This Is Your Sword", in flashbacks to Hong Kong, the couple's son Akio is infected with the virus. Despite unrelenting effort from Maseo and Oliver, Akio perishes in Tatsu's arms.