Lincoln is rejected by his sisters because he is "bad luck"; Lincoln and Lana protect the frogs from being dissected.
Lincoln finds himself with unexpected free time after his sisters worry that he is bad luck, and ban him from attending their activities. When Lana hears that Lincoln and Clyde's class is going to be dissecting frogs, she convinces Lincoln that it is wrong. The two embark on a frog rescue mission.—Jwelch5742