Kate and Sawyer divulge dark secrets to each other while tracking a renegade boar that Sawyer swears is purposely harassing him. Meanwhile, Hurley and Sayid worry that Charlie is losing it after his brush with death and shotting Ethan to death in the chest. Lastly, a shocking and prior connection between Sawyer and Jack is revealed with Sawyer meeting Jack's father in a bar. Robert Patrick ("Terminator 2: Judgment Day," "The X-File") guest stars.

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