A crossword is found on the murdered owner of a burglarized art gallery. Tess, a Sentinel crossword editor, finds clues in crosswords. Eventually, detective Logan accepts her clues and help. Tess is also running a crossword tournament.
After volunteering to participate in a crossword solving competition with a new supercomputer, crossword puzzle editor Tess Harper finds herself swept up into the investigation of the bizarre murder of the tech CEO.
Tess gets invited to be part of a popular game show, but when the host is unexpectedly murdered, she and Detective Logan O'Connor try to discover who was behind it all.