The Courageous Warriors of the Garden of Hope have summoned Nagisa, Honoka, and Hikari to protect their kingdom from a witch who plans to steal the Diamond Line, which is a set of jewelry the queen of the Garden of Hope wears to a ceremony every year to replenish the water of the kingdom. The witch plans to resurrect the Dark Lord and if she does so, not only will the Garden of Hope be destroyed, but other kingdoms in the galaxies, including the Garden of Rainbows and the Garden of Light. 

(Source: ANN)

For one year, Master Swordsman Eiji Shinjo has been haunted by the memory of his battle with the renegade champion, Gaia - a battle that was cut short by the forces of the malevolent syndicate known as "the organization." Denied victory, Eiji left the tournament followed by his opponents mocking laughter. Worse still, Eiji walked away no closer to finding his long lost brother, Sho. But now, a mysterious warrior is hunting down the champions of the previous tournament and using their own moves against them - and it looks like that person may be Sho. Who is this powerful new foe and who is his next target? Eiji and Kayin, his closest friend and greatest rival, struggle to unravel the mystery before they, too, join the ranks of the defeated. The answer lies at the heart of the Organization and its plans for world domination. At last, the ultimate battle between the greatest fighters in the world will be decided. But if Eiji loses, his friends - Ellis - may Die...

Lina and Gourry travel to a seaside town named Acassi, where octopus tentacle is a delicacy. However, the octopus meat carries a curse that dooms the eater to only speak Takogo (octopus language). Amelia, Zelgadiss, and Xelloss all show up, and the main four characters (Lina, Gourry, Ameria, Zelgadiss) get cursed. The octopi enlist the power of a mazoku to get rid of the humans once and for all. The white sorceress Ruma must learn the cure to the curse from her long-lost master in order to save the town. 

(Source: ANN)

Zenigata arrives at the birthday party of an important politician to investigate a fake Lupin calling card. Lupin shows up as well. Suddenly, masked assassins break in and begin to shoot everything that moves. Zenigata goes after Lupin amidst all the gunfire and corners him in the courtyard of the house. Suddenly, a hand holding a Walther P-38 pops out of a window and shoots Zenigata in the chest. Lupin recognizes the Walther as his own and decides to investigate. The assassins that attacked the party are from a hidden island called the Island of Assassins. The island is kept secret by the help of top government officials from around the world who use the assassins on the island for their own personal gains. There are lots of hidden secrets on the island, however, and Lupin, Goemon, Jigen, and Fujiko find themselves involved in a plot that tears the residents of the island in half. The movie also delves into Lupin's past in his pre-Jigen days. 

(Source: ANN)