coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

Watch: 'The 100' Season 4 trailer.

Season 4 of 'The 100' is fast approaching with next year almost here - it premieres on February 1st, FYI - so it comes as a relief that The CW have finally dropped a full three-minute trailer for the upcoming new episodes.

Watch the new trailer below...