Our Lips Are Sealed

The Parkers, twin sisters, witness a robbery at the local museum where the Kneel Diamond is stolen. The thieves slip the gem into one sister's shoulder bag during the escape, setting up the danger that follows. This event triggers the investigation and the beginning of their involvement with the law and criminals.

The Parkers are placed in the FBI's Witness Protection Program after their testimony. Their blabbermouth tendencies cause them to reveal their status to nearly everyone they meet, compromising their safety. As a result, the FBI relocates them repeatedly to stay ahead of the criminals.

Despite the constant moving, the Kneel Diamond ends up concealed in one sister's necklace after being slipped into her bag. The necklace becomes the criminals' elusive target and a symbol of what must be recovered. The sisters remain unaware of the gem's true location for some time.

The Parkers are moved across the United States and around the world, bouncing from place to place to avoid capture. They travel from Texas to a prairie town and beyond, visiting numerous locations in the pursuit of safety. Australia remains the single country they have not yet been relocated to at this stage.

The FBI assigns the twins to Sydney, Australia, giving them new aliases Maddie and Abby Turtleby. They struggle to fit in with peers at their new school and face the cultural adjustments that come with living abroad. This relocation marks a new chapter in the chase.

Two assassins named Mac and Sidney are dispatched to hunt the Parkers after breaking into the FBI office to discover their exact location. The breach escalates the danger and pushes the pursuit to continue in Australia. The stakes rise as Hatchew's plan moves forward.

The Parkers defeat Mac and Sidney with clever, zany tactics, including tying them to surfboards and other humorous setups. They manage to convince the assassins to switch sides, turning them against Hatchew. With this unexpected alliance, they lure Hatchew toward Australia for a final confrontation.

Hatchew follows the Parkers to Australia to seize the diamond. He prepares his strategy to retrieve the gem from its hidden necklace and to eliminate anyone blocking his path. The pursuit intensifies as the showdown approaches.

Hatchew manages to obtain the diamond from the necklace and orders a thug to attack the Parkers. The twins face peril as Hatchew closes in on his prize, heightening the tension of the chase. The theft confirms the danger is far from over.

Mac and Sidney reappear to aid the Parkers, overpowering Hatchew's thug and rescuing the girls from imminent danger. The collaboration between former enemies and the twins strengthens the defense against Hatchew. The odds start tipping in their favor as the net tightens around the criminal network.

Hatchew makes a desperate escape attempt on a seaplane, but the Parker sisters and their allies thwart him with a boomerang. Katie, an undercover FBI agent posing as a lifeguard, arrests Hatchew on the spot. The threat to the girls is finally neutralized.

The Parkers return to the United States with half the reward from capturing the thieves. They close this chapter of danger but carry the lasting memories of their extraordinary journey. Normal life resumes, at least for now, with a sense of safety restored.