"From what I've learned from my 18 years on earth is that you don't need a perfect life, just a happy one and I promise myself to make sure that all of my days from now on are happy." That was Graces's motto towards life up until the moment she died. How could her best friend Lulu continue life the same way after the loss of grace? Grace's outlook on life was still a mystery after she died, and it's up to Lulu to figure out Grace's secret side. Lulu has to figure out how to cope without her best friend and how to let Grace go after everything that they had gone through together while starting university.