The Singapore Grip tells the story of a British family living in Singapore at the time of the Japanese invasion.

It follows rubber merchant Walter Blackett, his wife Sylvia, ruthless daughter Joan and spoilt son Monty, who live a life of luxury, seemingly untouched by the troubles in Europe. However, the story takes a turn when the son of his business partner Mr Webb becomes involved with his daughter Joan before falling under the spell of Vera Chiang, a mysterious Chinese refugee.