Karen Slocombe isn't sure why she visited SuperFare that day as a committed member of the Food Chain group and a regular stallholder at local farmers' markets, it's a place she would normally avoid. Luckily for Karen, she leaves moments before a bomb explodes. Only a few days later, Karen finds herself in the midst of another horrific crime. When friends from the Food Chain group start warning Karen not to tell the police certain details, her suspicions are instantly aroused. Could the two events be linked?