Rowan, Nina, Xanthe, and Xavier are reunited for their first solo time travel trip, venturing to Bloomington, Illinois, in 1856 in search of an unhappy teen whose decision to run away from his father seems to have changed history.

The zone -- Hidden rooms -- Clues -- Westward ho -- Gateway to gold -- A pleasant evening -- A hard ride -- A couple of stories -- Lily Rose -- Gold camp -- Black rabbit -- Rise of the ghost rider -- Eureka! -- The great stagecoach robbery -- Nororious -- Balthazar -- Indians! -- Gold fever -- The Foggerty brothers -- Home again -- The book -- Vigilante justice -- Destiny.