After Candace injures her ankle and is told to stay in bed, she drives herself crazy trying to get her mom's attention in order to bust her brothers. Fortunately, Phineas and Ferb provide her with a box of items to stave off her boredom, while they construct a means of communicating with their favorite Russian cosmonaut hero. However, Candance's efforts to bust the boys unknowingly helps them warn the space station occupants about a dangerous obstacle approaching them. Meanwhile, Perry interrupts Dr. Doofenshmirtz's Chicken Soup-themed escapade.