Life was good for Sumire Iwaya … until the day she discovers her boyfriend is cheating on her, she gets demoted at work, and her life spirals toward the dumps. Things take a turn for the better when she crosses paths with Momo, a handsome-but-homeless guy with a colorful past who puts a bounce in her step and a shake in her hips. It takes two to tango, but when Sumire’s first love reappears in her life, will this be the last waltz?