Chu Fei, an overseas mercenary codenamed "King of Hell", returned to the city and was entrusted with protecting Su Li. However, he accidentally had a one-night stand with the drugged Su Li. Later, Chu Fei unexpectedly discovered that the person his comrades entrusted him with personal protection was none other than Su Li, the female president of Keyao Group. At first, Su Li had no feelings for Chu Fei, but later on, she gradually developed trust and affection for Chu Fei as events continued to occur.
