After all-boys schools, a male-dominated major, and a stint in the military, Kim Sungmin has barely even spoken to a woman, let alone dated one. Now, having landed a position at a well-known company, Sungmin feels ready to settle down, until he comes across an article that changes his whole worldview. Faced with the knowledge that women will only ever go for strong alpha males, Sungmin knows he has to change if he wants to avoid a loveless marriage and be reduced to nothing more than a slightly pudgy ATM. Can Sungmin go from boring beta to attractive alpha?