Young Matthias Russo is fine one day, but mysteriously collapses the next. He is rushed off to the hospital, and there the doctor tells Matty's parents that their son must have a heart transplant. Now.Miraculously, a donor is found. But after the surgery and during his recovery, Matthias doesn't seem to be the same sweet boy he once was.Overwhelmed by the difficulties of taking care of him, his parents find a woman who seems perfect to help out with the household chores while Matthias recovers. Layla, the new helper, is perfect.Or is she?