Samraat [সম্রাট]

Samraat, an underworld mafia, is coming to Bangladesh. Bangladeshi mafia Musa has interest in this because Samraat can ruin his business. So he wants Samraat dead by any means but failed. Samraat finally lands and has bargain with one of Musa's man about the share. As Musa fails again and again, he needs a man smarter and stronger than Samraat. Kabila introduces Raja to him who becomes his first hand. But who is this Raja and what is his interest with Musa