Set in 'Cheonpo New Town' under 'Cheondang', the story depicts the turbulent Cheonpo survival story of 'Jisongi', a disguised married woman who finds it difficult to love or get married.
In 2029, Korea's lunar probe Woori embarks on a historic journey to the moon, capturing global attention.
Contract marriage master Choi Sang-eun's alternate day romance with a long-term mystery client on Monday, Wednesday and Friday and a new superstar client on Tuesday, Thursday and Saturday.
Kang Woo-ram is busy preparing to get a job. Lee Hyun-ji is a would-be anchor, but she works at a homemade hamburger restaurant. One night, Woo-ram visits the hamburger restaurant and orders a double patty hamburger, which has a "buy one, get one free" sale. This is how their relationship begins.