Owen Roth's life has come to a screeching halt. His beloved wife Morgan, victim of a highway accident, has been in a coma for three months, and her condition has not changed. Owen no longer has the will to live. He decides to end the life of the man responsible for his wife's coma, and then put an end to his own life.

One night, he drives to the guilty man's luxury apartment building. However, just moments before he can commit the murder, a stray dog appears. Owen immediately realizes the fruitlessness of his scheme and decides to re-evaluate his thinking. Reluctant to leave the dog, Owen takes the animal with him.

From that point on, the dog becomes his center of attention. His new canine companion has somehow managed to lift his spirits as well as his outlook. Owen believes that their encounter was not as random as he first suspected. And when his wife's condition takes an unexpected turn, everything that has taken place since the dog has entered his life becomes clear.