In Thomas & Friends: Hero of the Rails, Thomas the Tank Engine discovers an old and forgotten engine named Hiro hiding in a forgotten siding. The engine has been damaged and left neglected for years, and Thomas and his friends vow to help repair and restore Hiro to his former glory. Meanwhile, they also have to contend with the scheming actions of the devious diesel engine Diesel 10 and his sidekick, a miniature diesel shunter named Splatter. With the help of his new friends Victor and Kevin, Thomas and his crew work to overcome obstacles, learn new skills, and ultimately save the railway from destruction. Along the way, they discover the power of friendship, loyalty, and teamwork in ways they never imagined possible. The movie features stunning animation, catchy songs, and plenty of exciting action and adventure for young audiences to enjoy. Overall, Thomas & Friends: Hero of the Rails is a heartwarming and entertaining addition to the beloved children's series.