Michelle meets Emily from Findochty. When she was two her gran put a message in a bottle with her name on it. Fifteen years later it turned up in Siberia and Emily's invited to an international summit in Reykjavik. When Hermann arrived in Scotland thirty years ago, he became fascinated by photographing Asian Scots, even gate-crashing weddings! And Michelle learns all about super recognisers with Lauren, who never forgets a face, and facial recognition expert Anna.