Movie where girl goes to mansion to win money and save brother

A young bride's wedding night turns into her worst nightmare when her ridiculously rich in-laws force her to play a gruesome game of hide-and-seek.

Ready or Not is a Canadian teen drama series which aired on the Showtime Movie Channel and later on the Disney Channel and Global Television Network for 5 seasons and 65 episodes between 1993 and 1997 in both Canada and the United States.