Watch Movies2Watch. Alex sits on the sofa, playing the guitar furiously. Outside, Yunseo steps out of the elevator and enters the space where Alex is after a fierce shootout. Yunseo's gun barrel is aimed at Alex's face. Yunseo's eyes waver as if a whirlwind of emotions is passing through them. Yunseo is on the verge of tears. Soon after, a gunshot rings out. 'Bang!'