Ace-high vs a river shove: call or fold?

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1. 0:00River. The big blind moves all in.
2. 0:02You have ace-king suited, on five, seven, eight, three, four. Ace-high. Your hand just turned into a bluff catcher. Call, or fold?
3. 0:11Three-bet pot.
4. 0:11They bet the flop. You call.
5. 0:13They bet the turn. You call.
6. 0:15The river: a four. They shove: thirty-six into one hundred and twenty-eight.
7. 0:20To call, you need eighteen percent.
8. 0:22The solver calls this hand every time. Its equity: twenty-one percent. More than the price.