Another peaceful day, and a new great battle erupts between Tom and Jerry. Although Tom holds the advantage in size, he ultimately cannot outmatch Jerry's cleverness, thus enduring endless teasing. While evading Tom's pursuit, Jerry accidentally hides inside a bottle of invisible ink. Upon emerging, he discovers that his lower half has completely vanished. After a brief moment of shock, he quickly figures out the reason for his invisibility, and so Jerry coats his entire body with the invisible ink. 　　On the other hand, Tom is still lurking in front of Jerry's hole, setting up various traps to catch the little mouse, unaware that the invisible Jerry has quietly crept up behind him. From then on, the unfortunate Tom is forced to engage in a series of confrontations with this seemingly air-like old rival. An unprecedented war promptly unfolds, and all sorts of amusing antics follow one after another...