Season 1 of 逆天奇案 premiered on May 3, 2021.

Hui Chun-sum (played by Ruco Chan) is an elite in the Organised Crime and Triad Bureau, but he aims to join the Special Duties Unit; while Sum Wai-lik (played by Ben Wong) is another elite in the Organised Crime and Triad Bureau.

However, the police force is attacked by terrorists, causing severe casualties. Chun-sam gives up his dream of joining the Special Duties Unit and stays in the Organised Crime and Triad Bureau. Chun-sam and Wai-lik work together to fight battles of wits with criminals to solve complex cases.

Season 2 of 逆天奇案 premiered on April 1, 2024.

O記幹探許浚森、沈韋力奉命調查跨國罪案期間，得悉「殺虎案」幕後黑手魏子樂落網前，曾將神秘訊息發送至暗網，並匯出巨額加密貨幣。不久有神秘人策動恐襲，浚森與韋力縱於天才教授唐冠峰協助下破案，卻驚覺子樂背後藏着更大陰謀！他們要竭力阻止子樂的同時，也遇到龍頭棍風暴、空屋藏白骨、重犯越獄等奇案，能否一一掃除險阻？工作上面對的危機升級，感情亦遇挑戰，浚森望跟前女友馬穎思復合，但困難重重令二人關係出現變數……