This episode features historians Tom Holland and Dominic Sandbrook exploring the climactic phase of Japan's Genpei War (1180-1185), focusing on the meteoric rise of three Minamoto generals: Yoritomo (the calculating clan head), his half-brother Yoshitsune (the legendary warrior), and their cousin Kiso (the mountain warlord).

The discussion centers on Kiso's stunning military victories against the Taira clan, particularly his tactical masterpiece at Kurikara Pass in 1183, where he used burning oxen to rout a massive enemy force. The hosts draw extensively from The Tale of the Heike, the great medieval epic chronicling this civil war, and reference the famous No play Benkei on the Bridge when describing Yoshitsune's legendary duel with the warrior monk Benkei.

The narrative follows the collapse of Taira power in Kyoto, the shocking coup against the imperial court, and the convergence of Minamoto forces toward the capital, setting up the final confrontation between the three ambitious cousins who must ultimately face each other for control of Japan.

The Legendary Duel: Benkei Meets His Master on Kyoto Bridge

The 15th century No play Benkei on the Bridge describes the most celebrated fight in samurai history, where the massive warrior monk Benkei, armed with seven weapons including a saw and rake, had collected 999 swords from defeated opponents.

Benkei's thousandth opponent appeared as 'a very slight, elegant youth wearing a woman's cloak who'd been playing the flute' - this was Minamoto no Yoshitsune, who defeated the supposedly invincible monk.

After his defeat, Benkei became Yoshitsune's loyal retainer, establishing the archetypal samurai tale that parallels King Arthur, Robin Hood, and Luke Skywalker narratives.

Kiso's Mountain Stronghold and the Taira's Fatal Strategy

Minamoto no Yoshinaka (called Kiso after the river in his mountain stronghold of Shinano) had grown up off the Taira radar after his father was killed in a Minamoto blood feud.

In spring 1183, the Taira sent 100,000 men along the northern coastal road to eliminate Kiso first, then turn south to destroy Yoritomo's forces in Kanto.

The Taira strategy aimed for 'total annihilation of all the Minamoto forces,' but they underestimated Kiso's tactical brilliance and knowledge of mountain warfare.

The Kurikara Massacre: Burning Oxen and Hell Valley

At Kurikara Pass, Kiso deceived the Taira with phantom banners on the ridge, making his 3,000 men appear as a vast army while his main force of 20,000 approached.

Kiso's three-pronged strategy involved ritualized samurai peacocking all day to buy time, then at sunset unleashing 'an enormous herd of oxen with burning torches tied to their horns.'

The Tale of the Heike records the carnage: 'Down hurtled the father, down the son... seventy thousand of the Taira, edge to edge, choked the yawning ravine' with only 2,000 survivors.

The Fall of Kyoto and Imperial Evacuation

After Kiso's second victory at Shinohara, Taira leader Munamori ordered the evacuation of Kyoto on August 13, 1183, burning their headquarters to deny Kiso any spoils.

Five-year-old Emperor Antoku departed with his mother and the crucial imperial regalia (mirror, jewel, and sword from the sun goddess), making legitimacy portable for the first time.

Cloistered Emperor Goshirakawa secretly defected to Kiso's side, returning to Kyoto with '50,000 mounted warriors' flying Minamoto banners unseen in the capital for 20 years.

Kiso's Coup: The First Attack on Imperial Authority

When Goshirakawa secretly contacted Yoritomo and criticized Kiso's men as 'the wild monkey of Kiso,' the mountain warlord launched an unprecedented coup against the Hojuji Palace.

Kiso's assault involved 'a storm of flame-tipped arrows' and resulted in 'vast piles of heads' along the riverbank, shocking Japan with the first direct samurai attack on imperial authority.

The attack ended centuries of reverence for the throne, with The Tale of the Heike lamenting that 'the golden age of Imperial Kyoto was clearly over.'

Yoritomo's Revolutionary Vision: Ruling from the East

Unlike previous samurai lords, Yoritomo felt 'no loyalty to Kyoto' and planned to rule Japan from his eastern base in Kamakura, recognizing that 'it is pointless for him to do it from Kyoto.'

Yoritomo sent his half-brother Yoshitsune south along the coast and brother Noriyori east through Shinano to execute a two-pronged attack on Kiso's divided forces.

The strategy represented 'a completely revolutionary development' - the idea that Japan might be ruled from Kanto instead of the traditional imperial capital.

The Race Across Uji River: Samurai Honor and Deception

At the pulled-down Uji Bridge, samurai Kajiwara and Sasaki competed to be first across the river, with Sasaki tricking his rival by shouting 'Your girth looks loose. Better tighten it.'

Sasaki crossed first, rose in his stirrups and proclaimed: 'Descended from Emperor Uda, nine generations in the past... I am Sasaki Shiro Takatsuna, the first man across the Uji River.'

Their example inspired 'first hundreds of horsemen, then thousands' to follow across the river, overwhelming the defenders and opening the road to Kyoto for Yoshitsune.