A Slave Trader Is Want To Take Away Alan And Elena So Takumi Is Protect Them After The Slave Trader Is Got Arrest Takumi Is Go To Ocean There Takumi Is Find A Leviathan Like Kaiju Is Attack The Ship And Sunken Them Then Takumi Is Transform Into Ultraman Hexagon And Fight Against Kaiju So Hexagon Is Defeat Kaiju By Using Hexa Flash And Rescue Sunken Ship