My Sunshine Episode 28

Pei Fang Mei thinks that He Yi Chen's identity is suspicious. She seeks help from her neighbor's son-in-law to investigate the current situation of He Han Shan's son. It turns out that back then, He Yi Chen's father, He Han Shan and Zhao Qing Yuan worked together in a construction project, Zhao Qing Yuan paid the contractor after the completion of the project but the contractor ran away with the money. He Han Shan came to Zhao Qing Yuan for the payment but to no avail. In the end, as he was chased after by the debtors, he accidentally fell down the stairs and died. (Source: Viu)