Parallel lines are two lines that have the same slope, and has a concrete distance from one another. Eddie and Hans were supposed to be parallel lines, until destiny change the angle of the slopes so that they could meet. Thus, making then not so parallel at all.
Even though they only have two months to be with each other, a lot of things happen- from once-met acquaintances, to learning how to love each other, and to keeping promises, they got lots of things covered. But even though that is the case, they discover the secrets of the wide galaxy.
When one of them has a secret crush on the other and confessed but ended up ruining their friendship. But destiny has other plans and gives them another change will they seize the opportunity? or forget about each other again .