SM University is an all boys University. There is a rule that all student needs to obey and that is, LOVE is forbidden behind and outside the doors. Anyone caught having a relationship behind the Principal backs, will be expelled for good. The traditions were obeyed for years but when 3 boys from different backgrounds arrive at the University, changes started to happen with the help of the University newest Professor, Yunho.

Boa was pregnant with her second child. She was happy and so as Yunho but after the delivery. There was a sad news delivery to them. Their baby girl is in danger and was place in the ICU ward. There was no possibilities for survival. But a sudden miracle happens, changing the course of fate.