Ella Bennett is the daughter of a driver. She has been secretly in love with Riley Harrington, the young master of the Harrington Group, for 7 years and becomes his underground girlfriend. However, when Jane Sinclair returned, Riley's indifference and favoritism broke her heart and she resolutely went abroad. Three years later, Ella returned with honor as a Nobel laureate in medicine. Faced with Riley's regret, she calmly let go and ultimately chose to start a new life with Lucas Montgomery, who truly respected her.