Kang Doo, Jung Young-joo, Jo Dal-hwan, Irene, Shin Seung-ho
Kang Woo-ram is hectic preparing to get a task. Lee Hyun-ji is a prospective support, yet she works at a home made burger restaurant. One evening, Woo-ram gos to the hamburger restaurant as well as orders a double patty hamburger, which has a "get one, get one cost-free" sale. This is just how their partnership begins.