Strike at Heart is a Hong Kong period wuxia television series based on Woon Swee Oan's novel, A Spear of Alarm produced by TVB.
Chu Kot Ching Ngor (Joe Ma), Yuen Sap Sam Han (Stephen Au), and hermit Tin Yee (Sunny Chan) are apprentices to the same clique.
Due to physical constraint, Tin Yee was unsuited to Martial Arts so he turned to studying yin yang and five material agents.
Yuen lived a quiet life practicing Martial Arts in the hope of defeating Chu Kot one day.
Under the vossludes of fortune, they both fall in love with a gentle and cheerful girl named Siu Keng (Charmaine Sheh).