Hu Luo met Qi Chu, who was 4 years older than him, at university. Qi Chu is a bisexual. Yu Luo is attracted by the sexy Qi Chu and has always liked him. Qi Chu finds out and ends up with Yu Luo. In the end, they separated because Qi Chu chose a new girlfriend. Qi Chu still maintained a relationship with Hu Luo in private. Hu Luo had been suffering in pain but could not refuse Qi Chu's temptation. He gave up on himself and suffered from depression under the huge guilt and pressure. Qi Chu still couldn't bear to let go of Yu Luo...