WATCH: Charlize Theron thinks her brother killed their family in new trailer

Cape Town - A new trailer for Charlize Theron's new film, Dark Places, has been released and all we're saying is we can't wait to watch it!

Dark Places is an adaptation of Gone Girl author Gillian Flynn's novel of the same name. Charlize plays a woman who gets involved with a club that tries to solve notorious crimes, including to find out what happened when her brother apparently killed their family when he was still in high school.

In the clip below, she confronts her brother in prison: