Serangoon Road
Episode 5
S1 E5:
When Claire finds the medicines Maxwell Black's (Nicholas Bell) company is providing to children in a small village hospital aren't working, she insists that the company investigate the problem. Sam discovers that the genuine drugs are being diluted. It's all part of an elaborate scam run by the Secret Society to make worried families of the sick turn to expensive black market substitutes. But for Claire, solving this one creates problems that affect Sam, her husband Frank, and others.