Failure-prone student Nobita Nobi is reluctantly assigned a companion when his future descendant Sewashi arrives from the 22nd century with a robotic cat named Doraemon, whose gadgets are meant to fix the mess adult Nobita's life becomes. Doraemon uses tools from his fourth-dimensional pocket to help Nobita face down bully Gian, rival Suneo, and his own crush on classmate Shizuka Minamoto. The film strings together classic manga stories into one continuous narrative, rendered in 3D CG animation.