Rooftop Prince S01E04 - Prince Falls into Water and Regains His Memories

Lee Gak is thrown out of the building. Meanwhile, Park Ha's business location falls through and her business fails before it even begins. The boys help her make some money. Tae Moo proposes to Se Na. Tae Moo hits Lee Gak and he falls into the sea. He is taken to the hospital, but when he wakes he seems to be another person.