陳源元是一位患有自閉症的程式工程師,內向且容易緊張,但他在網路世界中是知名Podcast主持人「愛情大衛王」,用溫和的聲音和情感分析吸引眾多聽眾。
人事部的巧玲經常幫他解圍,讓他逐漸打開心房。情人節當天,巧玲因男友大慶的木訥、不解風情而提出分手,當晚源元回家查收聽眾來信時,意外看見想尋短的聽眾留言,意識到嚴重性後趕往派出所報案。所長在外威風凜凜,在家卻是毫無地位可言的妻奴。他們因為一連串的誤會以及源元的節目連結在一起,而後演變成一齣荒唐鬧劇……
Chen Yuanyuan is a programmer with autism, introverted and easily nervous, but he is a well-known podcast host in the online world called "Love King David," attracting numerous listeners with his gentle voice and emotional analysis. Qiaoling from the HR department often helps him out of tight spots, allowing him to gradually open up. On Valentine's Day, Qiaoling breaks up with her boyfriend Daqing due to his dullness and lack of romantic understanding. Later that evening, when Yuanyuan goes home to check listener letters, he unexpectedly sees a message from a listener contemplating suicide. Realizing the seriousness of the situation, he rushes to the police station to report it. The station chief is imposing outside, but at home, he is completely dominated by his wife. They become connected through a series of misunderstandings and Yuanyuan's program, which eventually evolves into an absurd farce......