Xiao Xiao is a 30-year-old unmarried hotel tester who has insomnia. Nie Xuan is a perfectionist and cold General Manager of the Tass Group Hotel who is in the middle of an inheritance war with his younger brother. He is given an ultimatum to elevate the hotel's status as a luxury brand in a month's time by his father. Xiao Xiao, who is testing the TASS hotel, meets equally insomniac Nie Xuan
