Yakuza, My Brother is a story based on true events.
Raz, an Israeli scholar, befriends Yuki, a young, intelligent, well-educated but marginal man. Yuki disappears one day under mysterious circumstances, apparently because of his involvement with the Yakuza, the Japanese organized crime syndicate.
Raz is perplexed. Along with his scholarly interest in Japan, he embarks on a personal quest to find and perhaps save his young friend.
He knows the trail to Yuki leads through the Yakuza. He finally manages to penetrate one of the most important crime families by employing some uncommon methods.
While pursuing his scholarly interest in the Yakuza, Raz never forgets Yuki, his lost friend. Ultimately, after dramatic and harrowing travels around East Asia, he finds a man who might be Yuki.
But then again, he might not ...