Odysseus and his men are traveling back form war. have struggles getting home but end up on this island of cyclops very starved
Odysseus find a cave full of sheep and milk. They try to grab the food and leave fast. They end up staying longer and meet cyclops.
Polyphemus eats one of Odysseus' men and captures Odysseus and the other men in the cave to be killed later.
Odysseus and his men have a plan to blind cyclops
Polyphemus ask the name of Odysseus and Odysseus replies back with "Nobody". when Polyphemus is stabbed and cries out that Nobody is killing him, so no one come to save Polyphemus.
Polyphemus is now blind. if they had killed Polyphemus they would be stuck in the cave forever because the cave door was too heavy to move. So, they strapped themselves to the bottom of the sheep and when Polyphemus let out the sheep they would be free.