The movie takes place entirely in and around the Mini Moni Cafè. The Mini Moni Cafè is run by the first generation members of Mini Moni, who are lead by Mari Yaguchi. Mika Todd is the primary baker for the cafè and Ai Kago and Nozomi Tsuji are bumbling waitresses. One day Kago and Tsuji serve a particularly enthusiastic customer (played by Ai Takahashi) who says she has never had such a delicious cake before. When the waitress explain they do not know the secret ingredient that makes the cakes so good, Takahashi decides to sneak into the cafè later find out what it is and steal it.

A nostalgic man reflects on the 'Great Cake Rush', a daring heist with his friend. The two unravel the convoluted history of 'The Greatest Cake in the world' as they navigate the bitter realities of crime and the sweetness of friendship.

When former pastry school rivals Julian and Brianna meet years later in a TV baking competition, the sparks – and the flour – fly! Each has their own plans for the winning prize money, but only one can win…unless they work together. While Brianna struggles to support her daughter Willow and Julian longs to escape his mother’s shadow, they learn that collaboration can create a new recipe for success – and love.