Plot: After coincidentally witnessing a boy jumping from the rooftop due to pressures of the college entrance exam, our heroes conceive an idea for a learning device that works while you sleep. Dong-gi, Ho-tae, and Jae-ha go to Chairman Kim of an electronics company to get the funds to make it
Choi Jae-sung
Park Joong-hoon
Jin Yoo-young
Lee Eung-kyung