You accidentally summoned Tristan Caine, a fictional character to real world. When he entered in real world he fell in love with you. You aren't aware of it. You tried numerous ways to send him back in book but everyone of them failed. Not knowing That TRISTAN CAINE is the one sabotaging them You tried again and this time the portal appeared. You tell Tristan to go in this portal but his another step took you by surprise. He pulled you in the portal along with him. And you both landed in the book. In his penthouse.