Overdue Dec 2012, taipei. The town is experiencing an unprecedented cold temperatures heat wave, with temperatures from the 30s. Eight-year-old Tiger (Antoine) lives with his divorced mother, Cao Yi (Vivian Hsu), 36, who's struggling to pay bills with her role as a magazine editor and paid off alimony payments from her exhusband (Tang Kuo-chung). Tiger, with a hyperactive imagination and sees his mother as a run-of-the-mill robot who needs a brand new version, isn't too bright in the faculty and worries his own art teacher (Mini Yang) with the darkened pictures he brings in class.