After a year of dating, Russian mafia boss Vasily Kaminsky and money launderer Yoon Yuno face an unexpected crisis when Vasily is injured, losing all but his memories from when he was 18. Reverting to the cold, ruthless man he once was, Vasily denies their relationship and cruelly pushes Yuno away. Heartbroken, Yuno contemplates walking away for good. But despite his harsh words, Vasily begins to cling to Yuno. Now, Yuno faces an impossible choice: leave before Vasily’s memories return, or stay and risk his heart for a love that might no longer exist.