Is one life worth more than another? Gil must decide. Gil's explosive relationship with his scientist father is brought to crisis point when he gets involved with Jude, a charismatic animal rights campaigner who is targeting his dad. At first, Gil, aged thirteen, relishes the chance to take a stand against his father, but he finds himself facing a devastating dilemma when he learns that his mother is a possible carrier for a terrible brain disease, and his dad's animal research could save her life.