Su Jinnian is the executor bound by the "predation system". Her personality is gentle, sweet and considerate on the surface, but in fact she is thoughtful and meticulous. She has a master's degree in psychology and is proficient in emotional manipulation and human weakness. She must complete 99 tasks to resurrect her seriously ill sister. The system requires her to rob the original heroine of her luck, and the original heroine's "luck core" is often bound to the male protagonist - by capturing the male protagonist's heart, you can rob her of luck.