Sisters-in-Law, Will You All Marry Me?

Ethan Carter stands at the head of his family's empire when catastrophe strikes. A poisoned weapon kills his four brothers and floods his system with neurotoxin, threatening to destroy his mind. Forced to feign madness to survive, Ethan watches the world turn against him: the Kane family breaks his engagement, and hungry powers circle like vultures. Everything changes when Sofia and three other women publicly declare their loyalty and refuse to see him abandoned. That act of defiance sparks something in Ethan: clarity beneath the chaos.

With his faculties intact, Ethan launches a calculated campaign of vengeance disguised as derangement. Operating under the alias Joker, he infiltrates the darknet, manipulates the Phoenix Plan to set military factions against suppliers and conglomerates, and pursues the cryptic Route Four that leads to the Black Key. His investigation uncovers eighty-one Black Shield operatives and eventually forces out Theodore Hale, the true architect of his family's destruction. Through cunning and strategy, Ethan saves Sofia and Olivia from death and dismantles the conspiracy piece by piece.

As the smoke clears and the Carter family reclaims its power, Ethan sheds the mask of madness. The fool was never truly foolish: he was simply a man patient enough to wait, strategic enough to survive and ruthless enough to restore what had been taken from him.