She's been waiting for this day all her life—the day when she would finally transmigrate. She was ready to be a simple lady falling in love with a duke, or a villainess wreaking havoc on noble society. However, when she wakes up in the body of Selia Welfe, she finds herself in a plot she could have never imagined. Now she must hone her skills as a detective and level up her agency by helping regretful male leads of other stories find their runaway wives.