In the city of Bailu, at Hursel High School, Rollins, a sixteen-year-old student, dreams of excelling academically and winning the heart of the girl he admires. During a boring English class, he drifts off to a fantasy where he gains a "Divine Strengthening System," enhancing his abilities.

Upon waking, Rollins realizes that his dream was more than just a dream, as he finds himself with improved language skills. His confidence soars when he impresses his teacher, Miss Zhang, and gains the attention of Persia, the popular girl in his class.

Outside of school, Rollins uses the mysterious system to improve his cooking skills at his family's snack bar, "Midnight Snack." As he continues to level up, he becomes determined to change his life and help his family. However, Rollins keeps the system a secret, waiting for the right moment to reveal it.

Meanwhile, Rollins's cooking experiments amaze his parents, and he earns praise for his culinary talents. However, the story takes a mysterious turn when Rollins walks through a dark alley and hears a desperate cry for help.

With the help of the mysterious system, will he bravely take the first step towards a great life?

As he balances school, his family's business, and his newfound abilities, the path ahead is full of intrigue and surprises.

Will Rollins be able to keep his extraordinary powers a secret, and how will he shape his future?

C409 Grandpa, I Met a Strange Person.