Serena, Rei, and Ami, along with the Emerald Searchers, go on a Disney Fantasy cruise for a romantic vacation to get their minds off the war against the dark forces.

Unfortunately, the pleasure cruise soon devolves into a battle when Dr. Eggman, Metal Sonic, and the Psycho Rangers arrive with a new plot to turn the cruise into a trap for capturing love energy to fuel Bowser's diabolical schemes. And what's worse is that Jaedite, rouge Shitennou of Queen Beryl, and Titus, a sea sorceress, seem to be at the forefront of it all...