The heroine is a beautiful female engineering master's degree who has been studying smoothly. She has been single for 23 years with the talent she likes. She met and fell in love with her younger brother's roommate by chance and guarded him for three years. The hero comes from a wealthy family, but his parents divorced. He has been pessimistic about the world since he was a child. After meeting the heroine, he was enlightened. They protected and cared for each other in both directions, and eventually they became a beam of light that illuminated each other.
Mission: Believe in love at any age