"When love turns to despair, can a replacement fill the void?
Huo Yi's heart was pained seeing the person he had secretly loved for years tormented by the loss of his elder brother. It pains and angers him when he sees his brother not cherishing what he has and eloping with someone else.
Unable to bear seeing the man he loves go through emotional pain, he came up with an idea that others may find unthinkable and desperate, but to him, it's a successful attempt to be with his love. The proposal of becoming a substitute for his brother.
But as the forbidden relationship goes on, Hou Yi gets more addicted and possessive, and Huo Yi's emotions are put to the test. Will their love crumble under the weight of deception? What will happen when his brother returns and finds out about the relationship? Will Huo Yi's love ever be reciprocated? Who will the man choose between His real love and a Substitute?
