Eamon Lane travels to a parallel world, taking over the original owner's life. The owner was obsessed with Mona Knight; Eamon lets go. He sings Little Love Song from another world. Gus from a music company signs a contract. Eamon debuts, building a music career. Mona still pesters him, causing misunderstandings. Eamon meets Shen Jinyu; affection grows. Gus invites him to compose a film theme song. Eamon, with cross-world songs, embarks on his path as a singing god.