Orphans Sylvia and Evelyn pose as "First Love" substitutes to infiltrate the Mitchell family. Sylvia, delicate but fierce, marries Jasper Mitchell, the heir to Mitchell Group. Their fake marriage turns into a clash of secrets and chemistry. When the real "First Love" returns, lies unravel. Sylvia discovers Jasper was her high school crush—and he’s fallen for her too. Amid danger and betrayal, a sham relationship becomes true love.