Serial presents three tales of killers at their worst: Experiment 26: Dr. Albert Strom has a fascination with creating the perfect killer. Join him as he tortures three new subjects in a bid to reach his ultimate goal. Mad Hatter: Somewhere in London there is a woman without a face and it's the job of Detective Dermot O'leary to try and catch the deranged killer before he bags another victim. Murder Me: Serial killer and New York detective Amanda Raiser faces an unexpected challenge when she finds herself having to go head-to-head with Death himself.