Endowed with exceptional medical and martial arts skills, Su Mu obeys his master's order to go down the mountain to search for his mother. On the way, he stops a runaway luxury car with a single palm strike, and the female CEO he saves turns out to be Shen Qingyan, his biological mother from whom he has been separated for twenty years! Entering the Shen family under the guise of a bodyguard, he discovers that his mother is trapped in a conspiracy of poisoning and power seizure. Facing hypocritical relatives and wave after wave of crisis, Su Mu breaks the deadlock with his wit and saves lives with silver needles, tracking down the truth side by side with his mother. Can the once helpless young man become his mother's most solid pillar of support?