Amidst the messed-up world, Park Jihoon, an dominant alpha has an unpleasant encounter with an omega, Choi Hyunsuk. There's never a bright future for an omega where they are enslaved, work in prostitution, and suffer abuse. Jihoon who has personal hatred toward omega brought Hyunsuk into their household due to the feeling of superiority toward him as a dominant alpha. In this new household, how will Hyunsuk cope with the harsh reality that he was born as an omega? Will Jihoon's hatred ever change into love? Can they find a way to coexist peacefully or is it destined to end in a fight?