Agent P teams up with a former partner, a human agent named Lyla, to stop a hijacked train running along the US/Canadian border. In a past mission, they had a falling out, so Agent P must decide whether or not he can trust Lyla and her unique sense of logic to get them through the mission, defeat Doofenshmirtz and save the train's passengers and Canada's national treasure - a moose named Albert.
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One of the thugs forgot to put his mask on.
The thugs getting away with the stolen technology
Perry chases the thugs down to the border.
An unnamed motorist arrives to the scene.
Perry is informed that he's on Canadian soil by the motorist, who is revealed to be COWCA Agent Lyla Lolliberry.
The claw breaks due to Lyla's weight, allowing the thugs to escape.
Perry is told by Monogram to return home, since he has no jurisdiction in Canadian soil.
Lyla apologizes for the inconvenience.
Perry angrily refuses to accept Lyla's apology before driving away, developing a bitter hatred towards her.
Two Months Later
Monogram gives Perry his next assignment.
Perry is told that he will be teaming up with Lyla.
Perry is furious by this revelation due to his bad blood with Lyla.
Monogram demands Perry to put aside his grudge against Lyla for the sake of the mission.
"Oh, I'm rockin' this look!"
Perry can't stand being around with Lyla.
Doofenshmirtz is annoyed by Lyla's endless attempts to steal his fries.
Perry and Lyla stealing Doof's fries.
Lyla and Perry scuffle over the inator.
Thanks to the agents' scuffle, Doof reclaims the inator back in his hands.
Doof mocks both Perry and Lyla for their lack of teamwork, much to their anger.
The agents realized that they foolishly beaten up the conductor after mistaking him for Doof, much to their guilt.
Doofenshmirtz is running on the roof to get away from Lyla and Perry.
Lyla slips from the rooftop after the train makes a sharp turn.
Lyla begs Perry to help her up.
Lyla and Perry fall from the train since Perry is unable to hold off Lyla's weight.
Lyla and Perry tumble into the ground.
Lyla and Perry watch in dismay as Doofenshmirtz escapes away in the train.
Catching Up to the Train
A helicopter hauls the caboose off the tracks.
The bottom of the helicopter reads "Bannister Evil Enterprises".
Doofenshmirtz left his grappling hook on his dresser back in Danville.
Lyla and Perry climb onto the helicopter to confront Bannister.
"Well, well, well, if it isn't C.O.W.C.A.'s best agent: the unfortunately named Lyla Lolliberry!"
Lyla angrily accuses Bannister for betraying his Canadian homeland.
Bannister reveals of his true plan to annex Canada to his real homeland, Greenland.
Perry learns that Lyla let the thugs escape because they would lead to Bannister.
Lyla Lolliberry Eyes Open
Lyla Lolliberry Eyes mind closed
Bannister is cornered by Lyla and Perry.
Bannister uses the Greenland flag to distract them.
Bannister takes the opportunity to escape.
"I have just one thing to say to you, Lyla Lolliberry...."
"What does 'farvel' mean?"
Bannister explains that 'farvel' means goodbye in Danish, just as he is caught by Peter the Panda in a jet.
"Jinx you, Lyla Lolliberry!! Jinx YOU!"
C.O.W.C.A. forces arrive to the ceremony.
The thugs are taken into custody.
Perry finally forgives Lyla for her past interference.
Doofenshmirtz leaves away from the scene, wondering if his scheme has went out for Bannister
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