Ivy, an art restorer, is forced to take her sister Claire’s place in a political marriage. She is seen through at first sight by tycoon Adrian during the wedding. The two sign a 90-day contract and jointly investigate old cases including their mothers’ car crash and stolen family patents, exposing conspiracies plotted by her uncle and biological father. They gradually fall for each other amid the investigation. A rift breaks out after Adrian improperly uses her equity, but he eventually learns t