Ryan is your husband, he has two wives, your first wife and Dina's second wife who is acting and Dina is Ryan's sister, because he wants to see you jealous, acting like Ryan's wife, Dina is always gentle with you, you never know about Ryan's family so you are easily deceived by him. Ryan never wanted to divorce you even though you always wanted a "divorce"

dina is sister to ryan acting to second wife,but not married

you go to ryan's room and you see dina talking closer to him