A father accidentally kills his daughter and flees with her body in a suitcase. But when his luggage is unexpectedly stolen, in order to get it back, he turns himself in to the police...
Taipei, late Dec 2012. The city is going through an unprecedented winter heatwave, with temperatures in the 30s. Eight-year-old Tiger (Antoine) lives with his divorced mother, Cao Yi (Vivian Hsu), 36, who is struggling to make ends meet with her job as a magazine editor and reduced alimony payments from her ex-husband (Tang Kuo-chung). Tiger, who has a hyper-active imagination and sees his mother as a run-down robot who needs a new model, is not very bright at school and worries his art teacher (Mini Yang) with the dark pictures he draws in class.
Struggling to adjust to her new life in Taipei, introverted high school girl Miao Miao opens up after meeting outgoing classmate Xiao Ai who becomes increasingly enamoured with her new friend. Unaware of Xiao Ai's confused feelings for her, Miao Miao falls for brooding CD shop owner Chen Fei, who seems determined to block out the world with a pair of headphones.
Real estate agent Angel suddenly discovers that her long-lost father has left her a house. However, she could never find her father, and the house itself has been vacant for a long time, with rumors of homeless people dying inside. Just then, Angel takes on the task of the company’s haunted house project. As she deals with each case, she gradually learns about her father’s whereabouts…
After discovering his estranged daughter's link to mysterious murders, a forensic detective with Asperger's syndrome risks everything to solve the case.