Based on Taiwan's famous comic series “I’m Mark”, a fantasy comedy about crazy office life is going on the screen! Mark is a wage slave in advertising, working overtime every day. He is so desperate and tries to end this all, then the death god comes. But when the death god is ready to take Mark’s life, it claims to leave work and let Mark survive for one more night. Mark grasps the last chance to vandalize the office to end his life without regret. But the following day, the death god finds he has mistaken the wrong target!? In other words, Mark still needs to stay in this mad world. However, Mark gets promoted into a special position and people in the office treat him as a VIP. What will happen when Mark become the boss?