To avoid a famine, Isaac moved back to the domain of King Abimelech. After they arrived, and just after God promised Isaac blessings and the entire land, Isaac emulated his father and lied about his wife Rebekah, saying she was his sister.
Having seen it all before, Abimelech was ready this time. Isaac already had children, and he was caught having a cuddle with his wife. Abimelech’s response is priceless:
26:10-11 ‘How could you do this to us?’ Abimelech exclaimed. ‘One of my people might easily have taken your wife and slept with her, and you would have made us guilty of great sin.’ Then Abimelech issued a public proclamation: ‘Anyone who touches this man or his wife will be put to death!’