LUCKY BREAK
MISHAP
MYSTERY
DISASTER
COINCIDENCE
EMERGENCY
TRIUMPH
DILEMMA
an unexpected event that brings good fortune
an event that causes suffering or destruction
a sudden, dangerous situation that requires quick action
an accident, mistake or unlucky event
a situation that involves a difficult choice
something puzzling or unexplained
a situation when two similar things happen at the same time for no reason
a great success or achievement