in which, 

lee hongbin, a man who listens to patients but doesn't hear his own heart

jung taekwoon, a sweet psychologist who could heal with a smile

kim wonshik, a bartender who mixes wine like people's feelings 

cha hakyeon, a dancer in search of his lost childhood love

lee jae hwan, a doctor who isn't all about medicine and silly jokes 

han sang hyuk, a mad boy with a hidden love for paint 

and kim hye jin, a girl who has forgotten. 5t