Doctor Henry Morgan, New York Cityâs star medical examiner, has a secret. He doesn't just study the dead to solve criminal cases, he does it to solve the mystery that has eluded him for 200 yearsâthe answer to his own inexplicable immortality. This long life has given Henry remarkable observation skills which impresses his new partner, Detective Jo Martinez. Each week, a new case and their budding friendship will reveal layers of Henryâs long and colorful past. Only his best friend and confidant, Abe knows Henryâs secret.