 John Klein (Gere) is involved in a car accident with his wife (Messing), but while he is unharmed, his wife mentions a moth shaped creature appearing. After her death, John begins to investigate the secrets behind this mentioned Mothman. It takes him to a small town of Point Pleasant, West Virginia, where he discovers a connection with the same problem. Here he meets Connie Mills (Linney), whilst he continues to unravel the mystery of what the Mothman really is.