Euphony Trio is a rising group known for their harmony—both in music and personality. Laura, the poised and polished leader, Axel, the laid-back composer, and Sunny, the heartwarming editor, have crafted a rhythm that just works. But when they need a fourth voice for their latest project, chaos strides in wearing crimson and a cocky grin. Zane, a bold solo artist with a flair for the dramatic, shakes up their carefully balanced dynamic. As egos clash and tensions simmer, can they find harmony—or will their collaboration hit all the wrong notes?