After graduating, "Diao" got a job at Food Delivery company and moved to live with his sister "Dao" to help with her rental fee. She also rented out a part of her house to help with expenses. New tenant "Rak" had nothing at all in common with Diao. Not only his misbehave brother kept looking for trouble everyday which led Diao felt annoyed, Rak also became Diao's boss and often ordered him to revise his works. The war started as Rak was the boss in the office while Diao was the boss at home, and it engulfed a lot of unwilling participants. After being together, Diao and Rak realise positive sides of each other. From rivals, they turned to lovers. But they still could not disclose it, since they both have been shouldering many expectations. Will this secret love succeed?