There are lots of best and worsts, but here are two worth mentioning.
Worst in my book - Passchendaele.
The lives of a troubled veteran, his nurse girlfriend and a naive boy intersect first in Alberta and then in Belgium during the bloody World War I battle of Passchendaele.
Best in my book - The Amatuer
A researcher for the CIA who convinces his superiors to send him to the eastern bloc in order to avenge the murder of his wife by enemy agents discovers a web of deception underneath his wife's death.
Worst in my book - Passchendaele.
The lives of a troubled veteran, his nurse girlfriend and a naive boy intersect first in Alberta and then in Belgium during the bloody World War I battle of Passchendaele.
Best in my book - The Amatuer
A researcher for the CIA who convinces his superiors to send him to the eastern bloc in order to avenge the murder of his wife by enemy agents discovers a web of deception underneath his wife's death.