'Patient X' Has Some Bite To It!

Yam Laranas' import Patient X looks interesting and really cool. This cool flick from the Philippines starts after twenty years, local police capture the murderer of the older brother of a young boy. Now a doctor, he must go back to his old town and face the murderers himself. Then he discovers that the murderers are Aswangs (folkloric Filipino vampire-like creatures) and they pose a deadly threat not only to him but  for the entire town.