coup de théâtre
noun /ˌkuː də teɪˈɑːtrə/
  /ˌkuː də teɪˈɑːtrə/
 (plural coups de théâtre 
 (from French) /ˌkuː də teɪˈɑːtrə/
  /ˌkuː də teɪˈɑːtrə/
)- something very dramatic and surprising that happens, especially in a playTopics Film and theatrec2
- a play, show, etc. which is very successfulTopics Film and theatrec2