Vanish by Dawn is an intense psychological thriller and detective story revealing the tumultuous hallucinatory life of Frankie Milligan, a 42-year-old troubled man gradually slipping into madness. After seeing a psychiatrist, Frankie discovers he has a rare mental condition causing him to believe he wakes up at night transformed into famous American figures like Lou Gehrig, and Jim Morrison.
Frankie desperately tries to keep a fragile hold on his sanity, and struggles to function and survive in the real world.