Stella and Tyson's interactions generally consist of a lot of bickering and eyerolling. Which is fine, because they really only see each other when they're forced to do so by their respective best friends. But when unforeseen circumstances leave them as the guardians of a one year old boy, they must learn to coexist as they figure out how to raise a child. Stella plus Tyson plus baby? Sounds like a recipe for disaster. Here's to hoping they don't royally screw him up in the process.