Synopsis Per Google: High school best friends Cecilia and Emma run into each other after a decade, and Emma invites Cecilia to her hen's weekend away. Stuck in a remote cabin with her high school bully, Cecilia quickly develops a taste for revenge. Sissy is a 2022 Australian independent horror-thriller film written and directed by Hannah Barlow and Kane Senes and starring Aisha Dee in the title role as Cecilia (aka. Sissy), a successful social media influencer who is invited to a bachelorette weekend by her close childhood friend before it turns into a nightmare.