Luke Aday knew that his sister's death was imminent—she had been under hospice care for months—but that didn't make her death any easier on him or their family. He returns to school three days after the funeral to a changed world; his best friends welcome him back with open arms, but it isn't the same. But when a charismatic new student, Eddie Sankawulo, tries to welcome Luke to his own school, something life-changing happens: In a moment of frustration, Luke runs into an empty classroom, hurls his backpack against the wall—and the backpack never lands. Luke Aday has just discovered that he can stop time.