Zhao Shaoshang and Yuan Hong, two young men from vastly different backgrounds, join forces to solve one case after another. Through their shared experiences, they learn from each other, grow together, and become an unstoppable crime-fighting duo in a tumultuous era.

Jiayi (Tong Liya), who grew up in an orphanage, has not been buried by life, but instead has a natural strength to not give up and has become a stubborn seed. She recognizes Curly Hair (Huang Minghao), who also grew up in the orphanage, as her younger brother, and the two support each other along the way. A chance encounter awakens in her a mother's love and a new desire for life. For the sake of her own nature and rights, she must bravely face everyone's doubts and difficulties, fight to the end, and go forward alone.