What will happen if the fresh graduate and the new COO team up for the company’s newest project? Meet LuHan the newest member of the finance department and Oh Sehun the youngest boss in the company, together they are given a task to go on a road trip for their first project the Oh’s water park hotel. Will things go into the plan or will they encounter several detours ahead?

The year is 1636, Prince Luhan is known as the cheerful son of the current Emperor GongXi, he’s the second in line to the throne. People in the palace and even in the town adore Prince Luhan because of his kindness and cheerful personality. At the young age of 17, Prince Luhan had already learned quite a lot for his age, from sword fighting, archery to being one of the top students in his class.