Every person who wanders the streets has an unexpected and heartfelt story to tell.
Fa-ai is a singer with a fiery personality and a powerful voice. After being hit by multiple blows from work, love and family, he gives up his music career and starts to live a vagabond life . The rebellious Yang-Yang has depression and bipolar disorder. She grows up in a ruthless family and has a complicated relationship with her stepfather. One day, Yang-Yang acciedently encounters with Fa-ai. Two lonely and wandering souls begin to live together under the same roof. Never thought happiness would come so quickly. What sparks will come out of Fa-ai and Yang-yang?