After his girlfriend drowned unexpectedly in a room without water, Shi Jian set up a company called "Universal Brother", specializing in mysterious events, in order to find out the truth behind her death. He accidentally picked up a magical key that can go anywhere. There are many other objects like this, such as cream that can change shape, finger to manipulate objects, pendant to control water, etc. Shi Jian realizes that his girlfriend's death is related to these fantastic objects. As the incident deepens, the true origin of the objects and the conspiracy behind them surfaces...