The colonists of the planet Yietta make their living by exploiting the planet's unique liquid-gas oceans,and are finally about to pay off their debts to the Galactic Federation. Unfortunately, there are some who'd rather not let Yietta slip through their fingers...

Enter Tita, 17 year old captain of the Cha Cha Maru. Tita and crew specialize in capturing Yietta's exotic wildlife for intergalactic pet shops. But through an unlucky incident, Tita finds herself at the core of a sinister plot to take over Yietta! By rescuing 16 year old Elysse from the clutches of the military, Tita puts the lives of both herself and her crew in mortal peril... but a girl's gotta do what a girl's gotta do!

As the plotters mobilize their forces to retrieve Elysse, whom they believe possesses a vital computer code, Tita must play a dangerous game of tag with an army of professional killers! It's cat and mouse on a planetwide scale, with one crucial difference: Mice don't shoot back, but Tita does!