The remaining three Psycho Rangers track the Space Rangers by listening out for their voice patterns, which forces the Rangers into hiding on board the Astro Megaship. Except for Cassie, who is out shopping, unaware of the current threat until her teammates contact her and warn her not to make a sound! The tension mounts as Cassie is forced to keep quiet, knowing one slip of the lip will alert the Psychos, who are patrolling the mall area in human form! But when Cassie notices something horrific about to happen, can she maintain her silence? And will this whole ordeal cost the Rangers one of their Megazords? (thetvdb.com)