As New York City is invaded by alien creatures who hunt by sound, a woman named Sam fights to survive with her cat.
A loving father finds a clown suit for his son's birthday party, only to realize the suit is part of an evil curse that turns its wearer into a killer.
Four African-American Vietnam veterans return to Vietnam. They are in search of the remains of their fallen squad leader and the promise of buried treasure. These heroes battle forces of humanity and nature while confronted by the lasting ravages of the immorality of the Vietnam War.
