[A tragic ending. The female lead is unrelated by blood and has a hidden identity.]
Qi Yan is Qi Yue's biological son. The female lead was abandoned at an orphanage at the age of seven, then brought into the military by Qi Yue and trained as a weapon for killing. Sang Ze is an orphan whose parents are unknown. He grew up in the military alongside Qi Zi, and the two supported one another.
Theme: Every character is beautiful, strong, and tragic.
