Because his brother fell ill and died, An Jialiang was entrusted to the care of his brother's college classmate Zuo Nai. After getting along, the two gradually fell in love with each other, but the knot in Zonai's heart kept hurting each other. After finally saying that they liked being together, An Jialiang discovered something that Zonai had been brooding about before he confessed. How can the two of them open up the knot...