John Doe: Season 1, Episode 2

1 - 2: Blood Lines

John is fixated on the mysterious woman on the ferry who called him "Tommy". He tries to track her down with the help of the police, but Frank asks him for a favor in return. The police detective has run into a dead end with one of his investigations and wants John's help. Walter Pickford has called the cops after he discovered his pool was filled with human blood.