At the age of eighteen, everyone's blood changes colour. Whether it becomes blue, green or otherwise, the colour is either hereditary or a random, biological selection. However, when Pearl Damocles discovers that her blood is colourless - in a society where people are segregated by blood colour -, she travels to an institute for people like her with a handsome yet mysterious man named, Malik Ahmed. After months of training and planning - with a team of quirky, newfound friends and trained militants by her side - she decides begins to hatch a plan. One to bring everyone together, and abolish the inequality of the blood colours.

Maayos at masaya ang buhay ng GMerz limang taon matapos ang kanilang college graduation. Lahat ay matagumpay. Ngunit lahat ng ito ay magbabago nang magbalik ang isang taong tinatawag nilang GM. Ano nga bang gulo ang dala ni GM sa kanyang pagbabalik sa buhay ng sampung magbabarkada? Paano lalampasan ng magbabarkada ang hagupit ng galit at paghihiganti? Matalo kaya nila ang kalaban kung ang puso nito ay puno ng poot? Maraming katanungang masasagot lamang sa mga susunod na kabanata.