The unreliable Young Prince An takes his sister's place in a marriage, only to discover that his future brother-in-law is actually gay... Prince Hui Cheng Yan, whose heart belongs to someone else, takes a princess as his bride, never imagining his betrothed would be a man... Xie Heng says this is the tribulation destined for his master. Xiao Huan says this marriage was ordained by fate... Young Prince An can only spread his hands helplessly. He has no one to blame but himself: Prince Hui treats him far too well.