Sam Tyler learns his father may be involved in the kidnapping of a prominent family's child. As Sam and the detectives investigate the case, he realizes he may have discovered why his father had left town in 1973. As buried memories of his childhood begin to surface, Sam believes he might have been sent back in time to help his father and to prevent him from leaving.
You know, the back and forth between Sam and Annie about when and where Sam's really from is getting old, and the preview for tonight's episode looks like there's going to be more of that. Isn't there something he can tell her about an events or events that will happen in the near future so she'll believe him. A sporting event outcome? The way a celebrity dies? How long before Watergate?