Ramona is a single mother of two boys. She's full of life, but life has a cruel way of returning the favor. Suffering from lung cancer, she makes a vow to see her children grow up. At any cost. The family is followed at three points in their lives, in which events ensue that test Ramona's survival. Dylan, her youngest, sees one of his troll dolls coming to life, telling him to take good care of his mother. The troll will appear at these events to help Dylan guide through his mother's illness. But why is the troll really there? And is Ramona's vow strong enough for her to stay alive and be with her family?