After the peculiar death of her father, Lena Hardesty discovers that her sister, Sarah, has acquired the same strange symptoms. With the help of a rustic local, Lena sets a plan in motion to save her sister and herself from the same fate.
The moving story of a lonely, isolated woman with a heart condition whose life is transformed by a service dog, and what happens when she has to let go of the loyal companion who changed her life.
