The Hero Gang is a nasty group of thugs terrorizing Hong Kong with their killer robots, Pioneers 1 and 2. While Pioneer 1 looks like an ordinary robot, Pioneer 2 has been modeled on Maria, the gang's #2 thug. When Pioneer 2 gets damaged during a mission to kill an outcast gang member, an inventor on the police force takes her and changes some of her programmings. This new code, plus a
