Watch Blink Twice Full Movie Free Online 123Movies. When tech billionaire Slater King meets cocktail waitress Frida at his fundraising gala, he invites her to join him and his friends on a dream vacation on his private island. But despite the epic setting, beautiful people, ever-flowing champagne, and late-night dance parties, Frida can sense that there’s something sinister hiding beneath the island’s lush façade.