Documentary following Sarah, whose life was changed forever when her Plymouth accent disappeared, leaving her sounding Chinese. She tries to find out what happened inside her head.

In 2010, 38-year-old Sarah Colwill's life was changed forever. She was rushed to hospital suffering from what she thought was a severe migraine, but when she woke up her local Plymouth accent had disappeared, leaving her sounding Chinese.

She was diagnosed with Foreign Accent Syndrome, a rare condition with no clear cause. For the past three years, Sarah has had to deal with other people's puzzled reactions and the huge impact her new voice has had on her life and her family.

Now, Sarah is determined to find out what happened inside her head. Can science give her any answers? And will she ever get back to the person she used to be?