Birthday Girl

A single mother, Nanna, takes her daughter Cille and Cille's best friend on a cruise to celebrate Cille's 18th birthday. The cruise turns into a nightmare when Cille goes missing and it appears she was sexually assaulted. Nanna investigates and discovers that Cille's rapist is Kevin's brother, Mats. Nanna films Mats' confession, but he tries to take her phone. Nanna and Cille end up on the cabin's balcony, and it becomes clear that Cille pushed Mats off.