tessa is a variant able to absorb the dna of anyone she touches and mimic their appearance shunned by her family shes spent the last two years training with the forces with extraordinary abilities a secret branch of the fbiwhen a serial killer rocks a small town in oregon tessa is given a mission she must impersonate madison a local teen to find the killer before he strikes again tessa hates everything about being an impostor the stress the danger the deceit but loves playing the role of a normal girl disguised as madison she finds friends romance and the kind of loving family shed do anything to keepamid action suspense and a ticking clock this superhuman arrives at a very human conclusion even a girl who can look like anyone struggles the most with being herself