Red Roses for a Call Girl (1988)

Manila: Peter, the terminally ill son of the successful architect Klaus Timberg, falls in love with Diana. However, he does not know that his father has hired the prostitute to make his son's last days as exciting as possible. Diana has also fallen in love with Peter. When Peter accidentally finds a receipt for her love services at his father's house, he disowns her in his anger and disappointment. Only when it is already too late for him, he realizes how much Diana really loved him.