A mysterious coded poem - attached to a 1954 archived photo of the National Service riots in Singapore - sets off a chain of events that unravels secrets from the past. 

Disparate clues are connected by only one thing - concepts linked to the Fibonacci sequence. As Clara and Owen decipher what the clues mean, they find themselves looking into Singapore’s dark past - the time the dreaded Kempeitai reigned and communism held its sway.