Marina Quiroga, a daring upper-class girl with a detective's soul, sets off to catch the serial killer that has been terrorizing her town with her faithful butler Hector's help. 《私事第一季》剧情细节丰富,融入了精良的制作和走心的表演,为观众呈现了古装应有的传统文化之美。本剧特效制作精美,服装道具颇具匠心,满足了观众对于甜腻纯爱的幻想。该剧核心是古装爱情,主线剧情尽显趣味与惊喜,支线剧情也是精彩不断。