A thriller is a genre which involves sub-genres that revolves around anticipation and suspense, the aim for thrillers is to keep the audience alert and on edge of their seats. Thrillers can be complex because there can be various genres involved in the thriller, there could be an action scene followed by an romantic scene.
Common conventions of psychological thriller
are mind games they are usual mental than physical, psychological themes such
as reality, perception , mind ,existence/purpose , identify, death . also the
central characters usually have a quiet personality who are mentally clever
than saving someone with physical strength
http://www.movieweb.com/movie/taken-2/trailer-2
Taken 2 is a mind grabbing action thriller