Drake is so caught up in his school work and his new girlfriend that he forgets his best friend and brother Josh's birthday, and when he realizes his mistake, Drake vows to make it a birthday Josh will never forget.
Drake and Josh sign up for a salsa-making competition and wage a side bet with high stakes, but things start to get a little spicier when little sister Megan sticks her nose in.
Josh takes an opportunity to be a student teacher in his stepsister Megan's class, but runs into trouble when she and Drake start a rebellion against him.
Josh and Drake decide to get even with their little sister Megan for her constant pranks by convincing her that aliens are talking to her through the radio and dressing up as aliens to scare her, but the plan get complicated with another alien arrives on the scene.
