The Key Man S01 E23 Episode 23

When Lok Yin (Alex Man) furthers his study in U.S.A., he is jailed for 7 years because of manslaughter. His girlfriend, Ching Jan (Idy Chan) then get married with his best friend, Ling Fung (Wilson Lam). After going back to Hong Kong, Yin determined to modernize hi family's department store business.