Miley and Lilly learn that Oliver has Type 1 diabetes and decide to become his "food police" at Traci's sweet sixteen party. Oliver ends their meddling and educates them about his condition. They learn that they can support their friends no matter what the challenge. Meanwhile, Jackson is dating a smart girl called Allison, who wants to break up with him, but when Robbie finds out she wants to do that, he will try to save their relationship, because Jackson is getting good grades and Robbie wants to take him into college.