General manager Chris calls a crisis meeting, believing the only chance the railway has of making it through the busy summer season is if an overhaul of Repton - a 1934 Schools-class engine - is completed. This engine has been undergoing restoration for the past five years, but now it is going to be all-hands-on-deck to try and get it back on the rails quickly. Meanwhile, Kieran discovers that a portion of track at one station is subsiding and cannot carry a load. The only option seems to be to shorten the Pullman dining train