Charlotte Harrington was adopted by Mr. Dawson, but was abandoned and imprisoned after his biological daughter returned, only to receive the words' you are not my biological child after all '. Charlotte turned to look for her biological father, the head of the Harrington family, William Harrington. William is unkind. At first, he thought there was no difference between raising a daughter and raising cats and dogs, but later he realized: why is it so difficult to make this little girl call out "dad"?