the action starts when john makes a day trip to a nearby town an leaves Alisoun at home with Nicholas a scholar that rented a room in his house and Absolon another scholar in town.
When john leaves Nicholas physically grabs Alisoun and then persuades her to have sex with him.[ Their affair begins.
With Alisoun, he hatches a scheme that will enable them to be alone to. He convinces John that God is about to send a great flood like the one he sent in Noah's time. He says that God told him they could save themselves by hanging three large tubs from the ceiling to sleep in.
Alisoun goes to church, where Absolon sees her and falls in love. He tries to woo Alisoun by singing love songs under her window during the full moon, sending her gifts, and seeks her attention by taking a part in a local play. But alison kind of ignores him
John believes his story that he tells him and duly climbs into his tub. He thinks Nicholas and Alisoun are doing the same, but in fact, they are spending the night together in John's bed.
alisounand nicholas inside the house
That same night, Absolon comes and begs Alisoun to kiss him. at first she didnt want to but then she "agrees" but instead of her lips she sticks her backside. Angry at being fooled, Absolon gets a red-hot coulter from the smith with which he intends to burn Alisoun. When he returns, though, Nicholas sticks his backside out to get in on the joke and farts in Absolon's face.