A gumshoe living in the shadow of his father, Flagstop has big shoes to fill, especially for a puppet. Out to show the citizens of Alaska what a good detective looks like, Flagstop embarks on his latest quest to uncover the famous golden spike that marked the completion of the Alaska Railroad and rescue Betty Meers' sister from her kidnappers. His quest will take him from snazzy nightclubs in Anchorage to the Usibelli Coal Mine in Healy as he delves into the history of the railroad to find the missing golden spike.