When she witnesses her neighbor, fashion model Danielle Breton, reluctantly murder a guy, inquisitive journalist Grace Collier is horrified. She calls the police. But when the detective finds the scene and finds nothing amiss, Grace has been forced to take things in to her own hands. Her first movement is always to recruit detective agency Joseph Larch, who helps her to find a secret about the past of Danielle that's them both visiting doublecheck.