Who's the one?

At one cold night, the first year student Sara, sits alone crying missing the warmth of her family and friends since she had to move to the college campus. When suddenly a mysterious tall guy approaches her and all she could see was his tall shape but she couldn't forget his genuine words.
since that night, everything has changes.

On the next day, she tries to find that boy but couldn't recongnize him, will she be able to find him?? especially after meeting three diffrent boys who each one of them most likely to be him ? from these three boys, WHO IS THE ONE?