Tessa is a Variant, able to absorb the DNA of anyone she touches and mimic their appearance. Shunned by her family, she's spent the last two years training with the Forces with Extraordinary Abilities, a secret branch of the FBI. When 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 everyting about being an impostor--the stress,...