Marines on a deserted island are ordered to disfuse bombs, but then an alien creature terrorizes them.

When guardian angel Seth — who invisibly watches over the citizens of Los Angeles — becomes captivated by Maggie, a strong-willed heart surgeon, he ponders trading in his pure, otherworldly existence for a mortal life with his beloved. The couple embarks on a tender but forbidden romance spanning heaven and Earth.

A high school student whose father and sister were recently murdered begins her own investigation after two of her fellow cheerleaders are kidnapped. She sets out on a rescue mission, but the killer may already be hot on her trail.