MI High S01 E04 The Power Thief Part 1, 3

Children s drama series about undercover agents in an innercity high school. When freak powercuts sweep the nation, the teenage spies are in the dark about who or what is to blame. A mysterious voice transmits a ransom demand pay up or Britain will be sent back to the dark ages. Blane thinks there s some truth in Stewart s hairbrained theory that leylines are sucking away electricity. But Rose is unimpressed by Blane s hocuspocus