Best mystery movie plot holes of 2019

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Knives Out picture

Plot hole: The killer shows up at the scheduled appointment at 8 AM. They kill the idiot blackmailer with an overdose of morphine. Remember, that morphine that supposedly killed Thrombey in 10 minutes. Marta finds the blackmailer at 10 AM...alive, and does CPR on them, keeping them alive long enough for the ambulance to come and bring them to the hospital, even if in critical condition. So we went from "kills in 10 minutes, you can't even try to save him" to "after 2 hours, you are still hanging on"? (01:56:10)

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Suggested correction: Marta injected an absurdly large dose. A smaller overdose would not kill in 10 minutes.

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Pokémon Detective Pikachu picture

Plot hole: While in the battle arena the vials with the purple R substance in them become broken, letting the gas out. All so the Pokémon seem to go crazy from it but Pikachu doesn't.

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