Simon and Robyn are a young married couple whose life is going as planned until a chance run-in with Simon's high school acquaintance sends their world into a tailspin.
Two strangers strike up a conversation on a long journey. However, neither is who they appear to be, each carry secrets that threaten to ruin them — and in the background, one of the nation's largest police operations is closing in.
When an old friend of New York Sentinel Crosswords editor Tess Harper is found murdered on the very day her puzzle includes his proposal of marriage, Tess unofficially teams up with Detective Logan O’Connor to find the killer.
Jessica and her fiancé Evan have just moved from the city into their dream home on a quiet suburban street. Soon after, Jessica catches her seemingly friendly new neighbor, Simon, in a strange lie and can't let her suspicions rest. The danger escalates when Simon lures her inside his home and imprisons Jessica in his secret bunker, meticulously decorated in the idealized style of the 1950s.