King Tut and the Plagues of Egypt

The mysterious death of King Tut eluded archeologists for centuries until the Plancks, a time-traveling family from the 25th Century, flew four millennia into the past to 18th Dynasty Egypt to investigate. Encountering a vast volcanic eruption upon their arrival plunged them into the Ten Plagues of Egypt and the Exodus as two co-regent Pharaohs, Tut's father and grandfather, battled over the fates of their Hebrew slaves. Will they make it back to their century alive, and without bringing some deadly disease that has been eradicated for centuries?