********MAJOR SPOILERS********
The ending of Trap is basically one long escape act, except the movie keeps changing what kind of cage Cooper is in. First the arena trap starts closing. Then Lady Raven turns the limousine into a moving trap. Then Rachel turns the family home into the place where the whole thing finally starts to collapse on him.
Once Cooper gets Lady Raven and Riley into the limo, the movie leaves the concert and gets meaner. Lady Raven refuses to cower and wait. She goes to the house, stalls, talks, watches, and starts reading him in a way that clearly bothers him. Then she steals the phone, gets information from Spencer, and livestreams the rescue to her fans. That matters because Cooper’s control starts slipping not through brute force, but through exposure.
From there the movie keeps narrowing the noose. Rachel learns the truth. The family scrambles. Lady Raven gets out. Cooper flees through the tunnel, steals the SWAT disguise, and even manages to take off again in the limousine. For a minute the movie lets him look almost unstoppable. That is part of the trick. Trap wants you to feel how often men like this stay ahead because they are always performing one version of themselves while hiding the other.
But the real ending is waiting at the house. Rachel confesses that she was the one who gave the police the clue by leaving the ticket receipt behind. Cooper realizes the trap was never only at the arena. It started at home, with the one person close enough to see that something was wrong and brave enough to finally act on it.
Then comes the pie. Cooper sits down, eats, and slowly realizes Rachel drugged him. That is the key turn. He starts hallucinating his mother. His emotional state cracks open. Grant and the tactical team close in. Suddenly the all-controlling serial predator is stumbling around half-drugged, caught between rage, memory, humiliation, and the fact that his family has slipped out of his control.
Even then, the movie does not make the ending too neat. Cooper embraces Riley. He looks broken for a second. Then he is loaded into the van, takes the spoke from Riley’s bike, unlocks his cuffs, and quietly laughs to himself. That last beat is the movie refusing to tell you the danger is over just because he got caught this once.
So the plain version is this: Lady Raven turns the escape against him, Rachel reveals she tipped off the police, the drugged pie leaves him vulnerable, Grant’s team arrests him, he embraces Riley, and then the movie ends with him already working on the next escape. The trap closes, but maybe not all the way.