Lindsay Harris, a mother who works as a legal secretary/assistant, is headed for trouble when her twin daughters, Emily and Ellen, acquire a baby-sitting job for a mysterious single dad for two small children. With the encouragement of her daughters and her friends, Jed and Marnie, she jumps knee deep into the problem of trying to prove the mysterious single dad innocent of killing his two children. Because her need to snoop into mysteries that need answers has spread to others, meaning her family and friends, Lindsay has now proven that snooping can be contagious.