The lives of the Montgomery family are shaken up when Cheryl and Anthony learn that their 18-year-old daughter, Emily, is diagnosed with heart disease. Instead of being able to unite as a family, circumstances are tearing them apart. Emily seeks solace from her boyfriend, Matt, but it doesn't seem like their love will be enough to make everything right. Cheryl's denial, secrets, and lies will begin to catch up with her, sending everyone on a downward spiral. With the clock ticking, Emily is desperate for answers and unity, but most of all a new heart, before her's beats for the last time.