

Ji-Yeon, the wanna-be among the theater majors at school, dreams of a bright future after being cast in a famous director's work. However, her life shatters when her best friend Yu-Mi spreads a deepfake video of Ji-Yeon having an intercourse with Professor Park, and on top of that, has an affair with Geon-Woo, Ji-Yeon's boyfriend. Determined for revenge, Ji-Yeon teams up with the teaching assistant Su-Ho, who exposes Yu-Mi's true identity to her.

International detective Kerry Weldon accidentally transmigrates into a workplace Mary Sue novel as cannon fodder. She activates a Cannon Fodder Survival System that requires collecting others' emotions to extend her life.After inadvertently calming the volatile CEO Logan Williams' fury, she's hired as his assistant. Discovering Logan's emotional fluctuations boost her life force most effectively, she deliberately provokes him. Logan suffers from a rare emotional disorder that mysteriously improves around Kerry, and he gradually falls for her. Meanwhile, the original female lead Melanie Norman, jealous of Logan's special treatment toward Kerry, repeatedly targets her as a thorn in her side.