When Thanos steals the quantum tunnel, the Avengers embark on a mission to stop him from changing history.
Loki declares he wants to be an Avenger, so Iron Man decides to make Loki an "Avenger In Training." It's a great plan until Thanos arrives on Earth looking for Loki.
An escaped serial killer and an attempt on Travis's life makes this their most dangerous case yet as Amy and Travis team up with his FBI agent ex to find the connection before it's too late.
After volunteering to participate in a crossword solving competition with a new supercomputer, crossword puzzle editor Tess Harper finds herself swept into the investigation of the bizarre murder of a tech CEO