In his quest to conquer Fukuoka, Il Palazzo, the mysterious leader of ACROSS, assigns two young officers, Excel and her partner Hyatt, to the task. However, their plans are constantly thwarted by the City Security workers, a group of seemingly ordinary individuals and robots. Despite their efforts, Excel and Hyatt's missions often end in chaos, with frequent mishaps and calamities. Experience the chaotic misadventures of the ACROSS officers in Heppoko Jikken Animation Excel♥Saga, where Excel and Hyatt's incompetence leads to a series of comedic yet disastrous situations.