So shanghai in the times of opium trading, the old boss and king of the underworld passes away and leaves his empire to Yuhan, the king of opium. But many are not happy with this turn of events. So when Jiang, a lieutenant in the army offers him a deal, he takes it and they become lovers (kinda as blackmail but also kinda from interest)
Plot's super fun, much action and double-crossings
Mato no Hoshikuzu