Mona and Dee Dee are half-sisters with the same father who didn't really know each other when they were little and are complete opposites, but as adults they live in the same apartment build... Read allMona and Dee Dee are half-sisters with the same father who didn't really know each other when they were little and are complete opposites, but as adults they live in the same apartment building and at least try to bond.Mona and Dee Dee are half-sisters with the same father who didn't really know each other when they were little and are complete opposites, but as adults they live in the same apartment building and at least try to bond.