Time Turning Events

"Why did he kill him! Why did Cedric have to die!" Harry's heart was shattered. Hermione then pulled out her time-turner, and the two use it to save Cedric's life. Once they do, he and Harry confess they have feelings for each other. Meanwhile, Hermione realises she has feelings for Viktor. Will they each be able to survive Voldemort's attacks, and defeat him in the end?