達克比是一隻鴨嘴獸警探，穿越時空來到現代，與河濱派出所的趴哥警官、阿美老師及聰明的學生小博，開啟一段探險之旅，在懸疑有趣的案件中輕鬆學習自然科普知識。

Duckbill, a platypus detective from the future, travels back in time to the present day, using his magical watch to record the characteristics of species that have vanished in his era. Teaming up with Officer Pago from the Riverside Police Station, Teacher Amei, and the brilliant young student Bo, he embarks on an adventurous journey. Together, they solve thrilling mysteries while effortlessly learning fascinating natural science facts.