An unexpected turn is a sudden and surprising change in direction or outcome that was not anticipated. It can refer to an event, situation or development that takes an abrupt shift from what was previously expected or assumed. The term often implies surprise, shock, confusion or even disorientation as people try to adjust to the new circumstances. An unexpected turn can happen in any area of life - personal relationships, career, finances, health, etc., and it can have positive or negative consequences depending on the nature of the change.