Sinopsis dan Bocoran Ending Thallium (2012)

Nicole accepts a mysterious invitation and, to her surprise, meets her old circle of friends. The former friends, who haven't been in touch for years, come together for a reunion at an idyllic holiday cottage. When the friends were at university, they played a trick on some fellow students in their dorm, which ended in tragedy. Two people died. The police couldn't prove anything. Now they are call...