It is National Train Day and Carlo's team makes a cake complete with tunnels for model trains. Joey wants to make a firefighter-themed cake and Mauro's son helps him get healthy.

Buddy makes a cake for Häagen-Dazs's 50th anniversary while also making a cake for the Broadway show Come Fly Away. But orders prove difficult to fill when the ovens stop working.

The Valastros are in Italy visiting the birthplaces of Mama and Buddy Sr. But it isn't all play as Buddy's cousins take advantage of his visit.