Obsessed with ballroom dancing, Summer tries to achieve her best with her coach Tony. They build a complex, passionate but finally transient relationship throughout the pas de deux dancing steps.

At the funeral of her husband, grandma Xiu-ying looks not sad and even hangs out with her childhood sweetheart Chi happily like a girl. Astonished by her behavior, her grandson Yu-chen and his pregnant wife Jie-ru worry about her and brings her back to Taipei. After living together, they find Xiu-ying’s memory and behavior even more strange and diagnosed with Dementia. The doctor explains Xiu-ying may fall into memory at any time, so if they want to understand how to comfort Xiu-ying’s fear and aggression, they need to know more about her relationship with her husband or other close males. However, just when Yu-chen and Jie-ru are still busy building their new life and trying to understand more about grandma, Xiu-ying not only attacks her caretaker and insists accompany Chi only.

Liu Ping-hui, gifted with the ability to absorb others' negative thoughts, believes he can bring peace to the world with his power. But instead of becoming a hero, he’s spent 38 years single—until he finally finds a girlfriend. His happiness is short-lived, however, as she abruptly breaks up with him via a cryptic message saying, “Your smile seems fake.” During his search for her, he meets Hsin-chieh, a fearless and passionate woman. As he tries to use his ability to help her, he only ends up creating more chaos in her life.