After a bet on a fight is made and an attempted assassination is thwarted, a man recently returned to town finds himself on the trail of a skilled killer leaving only a Mark of Blood on his victims.

Lan Yu is a messy and lazy university student who never bathes and is addicted to games. He hates the world, and the stench on his body helps isolate him from it. When he decides to take an elective course in acting, Lan Yu meets Zhang Xue Yin, a sweet and sunny girl. Motivated by Zhang Xue Yin’s serious and positive attitude - and with the help of his roommates - Lan Yu undergoes a makeover. Will the “new” Lan Yu be able to win over Xue Yin?

Lan Yu is a messy and lazy university student who never bathes and is addicted to games. He hates the world, and the stench on his body helps isolate him from it. When he decides to take an elective course in acting, Lan Yu meets Zhang Xue Yin, a sweet and sunny girl. Motivated by Zhang Xue Yin’s serious and positive attitude - and with the help of his roommates - Lan Yu undergoes a makeover. Will the “new” Lan Yu be able to win over Xue Yin?

Lan Yu is a popular but arrogant star. One day, he accidentally meets Yu Zai, an ordinary girl. Moved by the girl's integrity and kindness Lan Yu is determined to change. Through hard work, he has transformed from a controversial star to a good actor with strength and dedication winning the respect of everyone inside and outside the industry. At the same time, he develops sincere feelings for Yu Zai.