Austin and Ally are given an assignment in life skills class. They have to choose one of five topics that will teach them about responsibility and how to deal with life's problems. They choose the marriage assignment and are paired up together and have to create a fake wedding using a fake budget. Meanwhile, Ally is called back into the music studio to finish writing and recording new songs. Austin feels left alone and has a dream where he and Ally are married with octuplets. In the dream, Ally is always busy working and touring around the world while Austin is left to take care of the children and all other problems at home. Trish books Dez a job directing a commercial for Armand Bianchi's new fragrance, Emu, which reunites Dez with his ex-girlfriend, Carrie. Dez does not want to work with Carrie because he is not over her dumping him. Carrie tells Trish that Dez dumped her at a restaurant they ate at several months ago. Later, Trish discovers that Dez and Carrie misinterpreted what they said to each other at the restaurant. Trish tells Dez and Carrie they never broke up. Ally feels terrible that Austin had to complete the marriage assignment on his own, so she makes him a six-layer white chocolate cake. Trish helps Ally take the cake to the life skills class at school. As Ally and Trish travel to the class, the cake falls apart. When they arrive at the class, Ally only has a handful of cake in her hand. Austin and Ally later make up in the life skills class by kissing each other.