The impossible fortress

In 1987, three teenage boys hatch an elaborate plan to steal a scandalous magazine. Their genius scheme involves seducing the convenience store owner's daughter, Mary Zelinsky, to get the security code. Billy Marvin takes on the mission, but as he gets to know the computer-loving, witty Mary, he finds himself falling for her. Now, Billy must choose between his friends and the girl who might be his first love.