Protagonist: Chen Yuan, who appears to be a useless son-in-law who has lived in his mother-in-law's house for three years. His true identity is the missing heir of the world's top chaebol "Emgrand Group". He lurked in the Shen family three years ago to investigate the truth about his father's plane crash.
Goldfinger: Awakening the "Strongest Son-in-law System" and completing the "Slap in the Face Mission" can unlock rewards such as Emgrand Group equity, top connections, martial arts inheritance, etc.
