Vayeira, Vayera, or Va-yera (וַיֵּרָא — Hebrew for "and He appeared," the first word in the parashah) is the fourth weekly Torah portion (פָּרָשָׁה, parashah) in the annual Jewish cycle of Torah reading. It constitutes Genesis 18:1–22:24. The parashah tells the stories of Abraham's three visitors, Abraham's bargaining with God over Sodom and Gomorrah, Lot's two visitors, Lot's bargaining with the Sodomites, Lot's flight, the destruction of Sodom and Gomorrah, how Lot's daughters became pregnant by their father, how Abraham once again passed off his wife Sarah as his sister, the birth of Isaac, the expulsion of Hagar, disputes over wells, and the binding of Isaac (הָעֲקֵידָה, the Akedah).
(summary from Wikipedia.org)
