Emir is a handsome, rich, successful man in his thirties. He was born into a family of workers and dedicated to study. He works day and night by putting everything in his life into the background. One of Turkey's most important investment bank has been working as an investment adviser at. He has been a complete predator in terms of working hard. Because there was no opportunity to learn to establish relationships with people, there was a big gap in Emir. One night, Emir's life changes when he meets Zeynep, the worst street singer in the world, and they both begin to help each other without knowing it.
Ferhat is a spoiled man who takes over his father's company. Ferhat's right hand is his childhood friend, the company's finance manager, Gökhan. They are not very kind to their employees. One day they will be friends with the restaurant owner. Ferhat falls in love with the restaurant owner's daughter Elif. But Elif is not a delicate and pure young girl. Her career, her hard character, and her witless intelligence, which are full of special trainings and superior services, will make Ferhat much more difficult.
Istanbul cirminal underworld; a place of merciless families and swaggering hitmen afraid of no one. Kadir Korkut, nicknamed the "Demon" is the most fearsome of their kind. When he wants to retire for the love of a blind German pianist, it starts a chain of events which will paint the night red. His boss and foster father, Kara Cemal betrays and coerces Kadir by poisoning him to perform two final hits on the two largest rival families in order to receive the antidote. Outgunned, outmanned and facing impossible odds he has to team up with an outed undercover police mole Cem, and somehow survive his final night of revenge and redemption.