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

Florence Welch to make her TV acting debut in 'The Third Day'.

Florence + The Machine frontwoman Florence Welch will make her TV drama debut this weekend as a character called Veronica in Sky and HBO's new show 'The Third Day', during a twelve-hour live-streamed episode being broadcast from the island of Osea.

One camera will follow the cast for twelve hours, with viewers following the events of a single day in one continuous take with real-time broadcast - read more about it all here.

Jude Law, Naomie Harris, Emily Watson, Paddy Considine, and Katherine Waterston are also set to star.